We have another set of MTH 231 Final, which could be found on this link\t\u00a0\thttp:\/\/www.snaptutorial.com\/MTH-231\/MTH-231-Final-Exam-Guide-Set-2\t\u00a0\t\u00a0\tMTH 231 Week 5 Final Exam\t\u00a0\tUse this worksheet for your answers. Your score, based on the points shown for this exam in the rubric, will be corrected to the basis points shown for the final exam in the syllabus. Submit to the Assignments Section by 11:59 pm of the last day of class. Late work will not be accepted.\t\u00a0\t1. \ufffd\u00a0\u00a0\u00a0 The following are the scores obtained by 30 students in epidemiology test:\t83 \ufffd\u00a0\u00a0 67 \ufffd\u00a0\u00a0 94 \ufffd\u00a0\u00a0 77 \ufffd\u00a0\u00a0 55 \ufffd\u00a0\u00a0 82\t79 \ufffd\u00a0\u00a0 72 \ufffd\u00a0\u00a0 88 \ufffd\u00a0\u00a0 65 \ufffd\u00a0\u00a0 81 \ufffd\u00a0\u00a0 63\t92 \ufffd\u00a0\u00a0 61 \ufffd\u00a0\u00a0 85 \ufffd\u00a0\u00a0 71 \ufffd\u00a0\u00a0 79 \ufffd\u00a0\u00a0 70\t89 \ufffd\u00a0\u00a0 52 \ufffd\u00a0\u00a0 66 \ufffd\u00a0\u00a0 63 \ufffd\u00a0\u00a0 75 \ufffd\u00a0\u00a0 84\t99 \ufffd\u00a0\u00a0 81 \ufffd\u00a0\u00a0 73 \ufffd\u00a0\u00a0 79 \ufffd\u00a0\u00a0 68 \ufffd\u00a0\u00a0 77\t\u00a0\ta) \ufffd\u00a0\u00a0\u00a0 Apply the Statdisk and look for the user-defined relative frequency histogram having a class width of 10 from 50. The labels must be “on”\ufffd. Copy the histogram in this sheet.\tb) \ufffd\u00a0\u00a0\u00a0 Look for the Normality Assessment using the Statdisk.\tDoes it show the sample from the normal population? \ufffd\u00a0\u00a0\u00a0\u00a0\tAre the results from the histogram and the test results the same with regard to normality?\tWhat did you apply for the alpha level of the test? \u00a0 0\tc) \ufffd\u00a0\u00a0\u00a0 Refer to the Statdisk, get the descriptive statistics of the data below:\tMean\u00a0\u00a0\tMedian\tStandard Deviation\u00a0\u00a0\u00a0\u00a0\tRange\u00a0\tMidrange \u00a0 \u00a0 \u00a0 \u00a0\td) \ufffd\u00a0\u00a0\u00a0 Sarah got 79 in her exam. The z-score is shown below:\t0.2927\t2. \ufffd\u00a0\u00a0\u00a0 The die rolled once with the events as shown:\tA: Event F: Roll an even number\tB: Event J: Roll 1, 2, 3, or 4\ta) \ufffd\u00a0\u00a0\u00a0 Define the term mutually exclusive.\tThere are two events which are independent and the existence of the first event has nothing to do with the existence of another.\tb) \ufffd\u00a0\u00a0\u00a0 What set has mutually exclusive events? A, B, Both, or Neither?\tA\t3. \ufffd\u00a0\u00a0\u00a0 Every person at St. Goodenough Hospital is categorized as below average, average, or above average with regard to the understanding. They are also divided as fair, good, or excellent.\u00a0 The evaluation is shown below:\t \ufffd \ufffd\u00a0 —-Potential for Advancement—-\tProf. Knowledge \ufffd\u00a0\u00a0 Fair \ufffd Good\u00a0\u00a0 Excellent\tBelow Average \ufffd \ufffd 16 \ufffd\u00a0\u00a0 12 \ufffd\u00a0\u00a0 22\tAverage \ufffd \ufffd 45 \ufffd\u00a0\u00a0 60 \ufffd\u00a0\u00a0 45\tAbove Average \ufffd \ufffd 93 \ufffd\u00a0\u00a0 72 \ufffd\u00a0\u00a0 135\ta) \ufffd\u00a0\u00a0\u00a0 Get the probability of the chosen employee at random having the excellent potential advancement.\tb) \ufffd\u00a0\u00a0\u00a0 Get the probability of the person being selected at random who is having an average or above average professional knowledge, as well as excellent potential advancement.\t4. \ufffd\u00a0\u00a0\u00a0 Correctly, what is the Central Limit Theorem (CLT)? Explain in full detail why is it essential?\t1) \ufffd\u00a0\u00a0\u00a0 When the samples of size of at least 30 came from random population, then the sampling distribution have an estimated normal distribution;\t2) \ufffd\u00a0\u00a0\u00a0 If the population is distributed accordingly, then the sampling distribution have a normal distribution as well.\t3) \ufffd\u00a0\u00a0\u00a0 For any kind of sample size, the population is normally distributed.\t4) \ufffd\u00a0\u00a0\u00a0 This is beyond the result of CLT, than the accurate statement of it.\tThe CLT is essential because it provides the sampling distribution of the sample means.\t5. \ufffd\u00a0\u00a0\u00a0 Indicate whether each statement is valid with a “Yes”\ufffd or “No.”\ufffd\ta. \ufffd\u00a0\u00a0\u00a0 Under particular limitations, the binomial distribution can be estimate by the normal distribution allowing us to apply the normal distribution for computation with the binomial distribution.\tb. \ufffd\u00a0\u00a0\u00a0 As what has been stated in CLT, the sampling distribution of the sampling mean estimates the normal distribution in a manner that it may not enhance the size of the given samples.\tc. \ufffd\u00a0\u00a0\u00a0 The CLT may not be used until the population probability distribution become identifiable.\td. \ufffd\u00a0\u00a0\u00a0 No proof was used in CLT. It still a hypothesis\t6. \ufffd\u00a0\u00a0\u00a0 The post anaesthesia care area (recovery room) at St. Luke’s Hospital in Pflugerville, Ontario, was broadened. The move will mean that the mean number of people per day can also be enlarged. A random sampling was conducted in order to determine the patients coming after the broadening.\t25 \ufffd\u00a0\u00a0 27\u00a0\u00a0 25\u00a0\u00a0 26\u00a0\u00a0 25\u00a0\u00a0 28\u00a0\u00a0 28\u00a0\u00a0 27\u00a0\u00a0 24\u00a0\u00a0 26\u00a0\u00a0 25\u00a0\u00a0 29\u00a0\u00a0 25\u00a0\u00a0 27\u00a0\u00a0 24\ta \ufffd\u00a0\u00a0\u00a0\u00a0 What is the null hypothesis?\u00a0\u00a0 The mean number of patients per day arrived to be 25 or less.\tb \ufffd\u00a0\u00a0\u00a0\u00a0 What is the alternative hypothesis?\u00a0\u00a0\u00a0 The mean number of patients per day will be greater than 25\tc \ufffd\u00a0\u00a0\u00a0\u00a0 What specific test will you use to test the hypotheses at \u03b1 = 0.05? \u00a0 t-test\td \ufffd\u00a0\u00a0\u00a0\u00a0 What is the p-value for the test? \ufffd\u00a0\u00a0\u00a0 p = 0.0087\te \ufffd\u00a0\u00a0\u00a0\u00a0 Interpret the meaning of this p-value. The probability of arriving with the test statistics is 2.6935 if the null hypothesis holds to be true. This is the value used in t-statistic excluding the null hypothesis.\tf \ufffd \ufffd What is the critical value for the test? (Assume \u03b1 =\u00a0 0.05.)\u00a0\u00a0\u00a0 cv = 1.7613\tg \ufffd\u00a0\u00a0\u00a0\u00a0 Interpret the meaning of this critical value.\u00a0\u00a0\u00a0 If we like to manipulate the type I error to become 0.05 or lesser, then the greatest value for the test should be1.7613.\tThere must be more explanation here.\th \ufffd\u00a0\u00a0\u00a0\u00a0 Is there sufficient statistical evidence at the 0.05 significance level to reject the null hypothesis?\u00a0\u00a0 Yes, because the p-value is less than 0.05.\ti \ufffd \ufffd Is this a right-tail test, left-tail test, or two-tail test? Right-tail test\t7 \ufffd\u00a0\u00a0\u00a0\u00a0 Choose one best answer among the given options.\ta) \ufffd\u00a0\u00a0\u00a0 There are a lot of values\tb) \ufffd\u00a0\u00a0\u00a0 A range of values is formulated from the given data in order to present the parameyers inside the range at a particular probability: a confidence interval\t(1) \ufffd\u00a0\u00a0 the population parameter\t(2) \ufffd\u00a0\u00a0 a point estimate\t(3) \ufffd\u00a0\u00a0 the mean of the population\tc) \ufffd\u00a0\u00a0\u00a0 What affects the sample error aside from the standard deviation? a confidence interval\t(1) \ufffd\u00a0\u00a0 the population parameter\t(2) \ufffd\u00a0\u00a0 the point estimate\t(3) \ufffd\u00a0\u00a0 the sample size\td) \ufffd\u00a0\u00a0\u00a0 For example, you have 100 sample population, for every sample you establish 95% confidence interval for the mean. WE are right to assume that 95% of the confidence interval is one of the following:\t(1) \ufffd\u00a0\u00a0 a sample mean\t(2) \ufffd\u00a0\u00a0 the population mean\t(3) \ufffd\u00a0\u00a0 a point estimate\t(4) \ufffd\u00a0\u00a0 the standard deviation of the population\te) \ufffd\u00a0\u00a0\u00a0 The t-distribution is applied if the population has\u00a0 one of the following aside from having a normal distribution:\t(1) \ufffd\u00a0\u00a0 the population standard deviation is unknown\t(2) \ufffd\u00a0\u00a0 the population standard deviation is known\t(3) \ufffd\u00a0\u00a0 the mean of the population is unknown\t(4) \ufffd\u00a0\u00a0 the point estimate is known\t8 \ufffd\u00a0\u00a0\u00a0\u00a0 As part of the protocol, the Keystone Police selected 65 ambulances and inspect their tires. The sample mean for this was 32 32 lbs\/sq. in. While the standard deviation was\u00a0 2lbs\/sq. in. Get the 98% confidence interval of said population. You may refer to Statdisk.\ta \ufffd\u00a0\u00a0\u00a0\u00a0 Confidence Interval:\u00a0\u00a0\tb \ufffd\u00a0\u00a0\u00a0\u00a0 Margin of Error: \ufffd\u00a0\u00a0\u00a0\u00a0\tc \ufffd\u00a0\u00a0\u00a0\u00a0 With a larger sample size, would you expect the margin of error to increase or decrease? \u00a0\u00a0\t9 \ufffd\u00a0\u00a0\u00a0\u00a0 Get the right and precise response for the following:\ta) \ufffd\u00a0\u00a0\u00a0 Define correlation analysis\tb) \ufffd\u00a0\u00a0\u00a0 In what manner that the dependent variable in correlation is being determined? What is the other term for it?\tc) \ufffd\u00a0\u00a0\u00a0 In what manner that the dependent variable in correlation is being determined? What is the other term for it?\tBased on the study, the independent variable pertains to the value that can changed and controlled by the research. It is assumable variable in the research.\td) \ufffd\u00a0\u00a0\u00a0 Is there causality present on both variables? Explain\tThe relationship of the two variables does not indicate any causality, it only suggests that there is a linear relationship existing in both variables, but does not show any kind of causality.\t10 \ufffd\u00a0\u00a0 Look for the incorrect portion among the statements below about the coefficient of correlation\ta) \ufffd\u00a0\u00a0\u00a0 It can cover from -1 to +1.\tb) \ufffd\u00a0\u00a0\u00a0 The square is the coefficient of identification.\tc) \ufffd\u00a0\u00a0\u00a0 It pertains to the rate of variation discussed.\td) \ufffd\u00a0\u00a0\u00a0 It is a shows the relationship between two variables.\t11 \ufffd\u00a0\u00a0 A research was formulated about the automobile speeds of a particular model and the outcome fuel consumption rank. Think that the data provided below was randomly gathered. Refer to the Statdisk in order to answer the statements below.\ta. \ufffd\u00a0\u00a0\u00a0 Calculate the coefficient thru the Statdisk\tb. \ufffd\u00a0\u00a0\u00a0 Explain the outcome of your computation\tSpeed\u00a0 MPG\t45 \ufffd\u00a0\u00a0 33\t52 \ufffd\u00a0\u00a0 32\t49 \ufffd\u00a0\u00a0 28\t60 \ufffd\u00a0\u00a0 26\t67 \ufffd\u00a0\u00a0 22\t61 \ufffd\u00a0\u00a0 21\ta \ufffd\u00a0\u00a0\u00a0\u00a0 What is the coefficient or correlation and interpret and define it as well \ufffd r = -0.877\tb \ufffd\u00a0\u00a0\u00a0\u00a0 What is the coefficient of determination and describe it as well. \u00a0\u00a0\u00a0\u00a0 r2 = 0.769\tc \ufffd\u00a0\u00a0\u00a0\u00a0 Identify the relationship of speed and mpg in layman’s term referring to the result of your computation.\u00a0\u00a0 It suggests that there is a negative correlation exiting on speed and mpg\td \ufffd\u00a0\u00a0\u00a0\u00a0 What statistic should we use in order to get the variance?\t \ufffd \ufffd\u00a0 76.9% of can be explained by the regression model.\t12 \ufffd\u00a0\u00a0 Immediately after the 9-11 incident, America Online conducted a survey about: the reestablishment of World Trade Center. The responses are the following:\tYes –\u00a0 768,731\tNo -286,756\tToo soon to decide \ufffd \ufffd\u00a0\u00a0\tThe respondents who participate is of large number, is it the representation of the entire US population?\t13 \ufffd\u00a0\u00a0 What level of measurement should be used on the following: (nominal, ordinal, interval, ratio)\ta) \ufffd\u00a0\u00a0\u00a0 The weight of the airplane passengers\tb) \ufffd\u00a0\u00a0\u00a0 How the doctor describe the following:\u00a0 “abstains from alcohol, light drinker, moderate drinker, heavy drinker”\ufffd \u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\u00ac\tc) \ufffd\u00a0\u00a0\u00a0 The questions about the emotions of people during the day ranging from 1-10 scale\td) \ufffd\u00a0\u00a0\u00a0 The following colors: red, blue, white, tan, black, yellow<\/p>\n","protected":false},"excerpt":{"rendered":"
We have another set of MTH 231 Final, which could be found on this link \u00a0 http:\/\/www.snaptutorial.com\/MTH-231\/MTH-231-Final-Exam-Guide-Set-2 \u00a0 \u00a0 MTH 231 Week 5 Final Exam \u00a0 Use this worksheet for your answers. Your score, based on the points shown for Read More …<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-229627","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/posts\/229627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/comments?post=229627"}],"version-history":[{"count":0,"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/posts\/229627\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/media?parent=229627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/categories?post=229627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/tags?post=229627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}