{"id":77381,"date":"2018-02-20T23:50:30","date_gmt":"2018-02-20T23:50:30","guid":{"rendered":"https:\/\/writemyessayfree.com\/math-221-week-2-lab-assignment-statistics"},"modified":"2017-08-18T07:13:59","modified_gmt":"2017-08-18T07:13:59","slug":"math-221-week-2-lab-assignment-statistics","status":"publish","type":"post","link":"https:\/\/www.benedictsol.com\/blogs\/math-221-week-2-lab-assignment-statistics\/","title":{"rendered":"Math 221 WEEK 2 LAB Assignment Statistics"},"content":{"rendered":"<p>FHEALTH<\/p>\n<p>The required values for this lab can be computed by using either (or both) Excel and\/or the TI calculator.<br \/> The required graphs can be created by either (or both) Excel and\/or hand-drawing.<br \/> All answers must be entered on this document. Cutting and Pasting from Excel is one very acceptable<br \/> method to enter the answers into this Word document. The finished document can be submitted in either<br \/> electronic form to the drop box (for the Week 2) or in hard-copy form during class.<\/p>\n<p>Part 1. Data Analysis for AGE variable.<br \/> Open in the Excel File called FHEALTH<br \/> AGE variable.<\/p>\n<p>WEEK 2.xlsx and compute the requested values for the<\/p>\n<p>1.<\/p>\n<p>Find the sample mean.<br \/> Sample mean = ________________________<\/p>\n<p>2.<\/p>\n<p>Find the sample standard deviation.<br \/> Sample Standard Deviation = ______________________<\/p>\n<p>3.<\/p>\n<p>Make a frequency distribution for the data. Start this distribution with a lower class limit of 10 and<br \/> make each class width 10.<\/p>\n<p>4.<\/p>\n<p>Create and insert a histogram for the data.<\/p>\n<p>5.<\/p>\n<p>Does the histogram appear to be bell-shaped?<\/p>\n<p>6.<\/p>\n<p>Find the median.<br \/> Median = _______________________<\/p>\n<p>7.<\/p>\n<p>Find the maximum and the minimum value.<br \/> Minimum value = ________________________<br \/> Maximum value = _______________________<\/p>\n<p>8.<\/p>\n<p>What is the range?<br \/> Range = ___________________________<\/p>\n<p>1<\/p>\n<p>9.<\/p>\n<p>What is the first Quartile?<br \/> Q1 = ________________________<\/p>\n<p>10.<\/p>\n<p>What is the second Quartile? (What is this also called?)<br \/> Q2 = ______________________<br \/> Q2 is also called __________________________<\/p>\n<p>11.<\/p>\n<p>What is the third Quartile?<br \/> Q3 = ________________________<\/p>\n<p>12.<\/p>\n<p>What is the Interquartile Range, IQR?<br \/> IQR = ___________________<\/p>\n<p>13.<\/p>\n<p>What is the 80th percentile?<br \/> P80 = __________________________<\/p>\n<p>14a.<\/p>\n<p>Starting from the mean value, compute the values that are +\/- one standard deviation from the<br \/> mean.<\/p>\n<p>__________________________<br \/> __________________________<br \/> 14b.<\/p>\n<p>Count the number of data values that are between these two computed numbers (from 14a).<br \/> Number of data values within 1 standard deviation of mean = ____________________<\/p>\n<p>14c.<\/p>\n<p>This counted number corresponds to what percent of the total data values?<br \/> Percent of data values within 1 standard deviation of mean = ______________________<\/p>\n<p>14d.<\/p>\n<p>Does this percent agree with the Empirical Rule? Explain why or why not.<\/p>\n<p>15a.<\/p>\n<p>Starting from the mean value, compute the values that are +\/- two standard deviations from the<br \/> mean.<br \/> __________________________<br \/> __________________________<\/p>\n<p>15b.<\/p>\n<p>Count the number of data values that are between these two computed numbers (from 15a).<br \/> Number of data values within 2 standard deviations of mean = ______________________<\/p>\n<p>15c.<\/p>\n<p>This counted number corresponds to what percent of the total data values?<br \/> Percent of data values within 2 standard deviations of mean = ________________________<\/p>\n<p>15d.<\/p>\n<p>Does this percent agree with the Empirical Rule? Explain why or why not.<\/p>\n<p>16a.<\/p>\n<p>Both the mean and the median are measures of central tendency. Both of these values were<br \/> computed above. In this case, does one measure have any benefits over the other in describing<br \/> the center of the distribution? Does a comparison of these two values provide additional information about the shape of the distribution?<\/p>\n<p>16b.<\/p>\n<p>Similarly, both the standard deviation and the IQR are measures of variation. Both of these values<br \/> were computed above. In this case, does one measure have any benefits over the other in describing the spread of the data? Does a comparison of the two values for Q 1 and Q3 (used to<br \/> compute the IQR) provide additional information about the shape of the distribution?<\/p>\n<p>2<\/p>\n<p>Part 2. Data Analysis for WT variable.<br \/> Open in the Excel File called FHEALTH<br \/> variable. This is the weight variable.<\/p>\n<p>WEEK 2.xlsx and compute the requested values for the WT<\/p>\n<p>1.<\/p>\n<p>Find the sample mean.<br \/> Sample mean = ________________________<\/p>\n<p>2.<\/p>\n<p>Find the sample standard deviation.<br \/> Sample Standard Deviation = _____________________<\/p>\n<p>3.<\/p>\n<p>Make a frequency distribution for the data. Start this distribution with a lower class limit of 75 and<br \/> make each class width 25.<\/p>\n<p>4.<\/p>\n<p>Create a histogram for the data.<\/p>\n<p>5.<\/p>\n<p>Does the histogram appear to be bell-shaped?<\/p>\n<p>6.<\/p>\n<p>Find the median.<br \/> Median = _________________________<\/p>\n<p>7.<\/p>\n<p>Find the maximum and the minimum value.<br \/> Minimum value = _________________________<br \/> Maximum value = _________________________<\/p>\n<p>8.<\/p>\n<p>What is the range?<br \/> Range = ______________________<\/p>\n<p>9.<\/p>\n<p>What is the first Quartile?<br \/> Q1 = ________________________<\/p>\n<p>10.<\/p>\n<p>What is the second Quartile? (What is this also called?)<br \/> Q2 = _______________________<br \/> Q2 is also called ________________<\/p>\n<p>11.<\/p>\n<p>What is the third Quartile?<br \/> Q3 = _____________________<\/p>\n<p>12.<\/p>\n<p>What is the Interquartile Range, IQR?<br \/> IQR = _____________________<\/p>\n<p>13.<\/p>\n<p>What is the 80th percentile?<br \/> P80 = ______________________<\/p>\n<p>14a.<br \/> Starting from the mean value, compute the values that are +\/- one standard deviation from the<br \/> mean.<br \/> _____________ = ________<br \/> _____________ = ________<\/p>\n<p>3<\/p>\n<p>14b.<\/p>\n<p>Count the number of data values that are between these two computed numbers (from 14a).<br \/> Number of data values within 1 standard deviation of mean = ___________________<\/p>\n<p>14c.<\/p>\n<p>This counted number corresponds to what percent of the total data values?<br \/> Percent of data values within 1 standard deviation of mean = ____________________<\/p>\n<p>14d.<\/p>\n<p>Does this percent agree with the Empirical Rule? Explain why or why not.<\/p>\n<p>15a.<\/p>\n<p>Starting from the mean value, compute the values that are +\/- two standard deviations from the<br \/> mean.<br \/> ____________________<br \/> ____________________<\/p>\n<p>15b.<\/p>\n<p>Count the number of data values that are between these two computed numbers (from 15a).<br \/> Number of data values within 2 standard deviations of mean = ______________________<\/p>\n<p>15c.<\/p>\n<p>This counted number corresponds to what percent of the total data values?<br \/> Percent of data values within 2 standard deviations of mean = _______________________<\/p>\n<p>15d.<\/p>\n<p>Does this percent agree with the Empirical Rule? Explain why or why not.<\/p>\n<p>16a.<\/p>\n<p>Both the mean and the median are measures of central tendency. Both of these values were<br \/> computed above. In this case, does one measure have any benefits over the other in describing<br \/> the center of the distribution? Does a comparison of these two values provide additional information about the shape of the distribution?<\/p>\n<p>16b.<\/p>\n<p>Similarly, both the standard deviation and the IQR are measures of variation. Both of these values<br \/> were computed above. In this case, does one measure have any benefits over the other in describing the spread of the data? Does a comparison of the two values for Q 1 and Q3 (used to<br \/> compute the IQR) provide additional information about the shape of the distribution?<\/p>\n<p>4<\/p>\n<p>Part 3. Random Sampling for AGE Variable<br \/> Create a simple random sample of size 20 from the<br \/> ferent individuals.<\/p>\n<p>AGE variable. Be sure to have the ages for 20 dif-<\/p>\n<p>1.<\/p>\n<p>What method did you choose to randomly select 20 different individuals to get their ages?<\/p>\n<p>2.<\/p>\n<p>Did you have any duplicate observations in your data? If yes, what actions did you take?<\/p>\n<p>3.<\/p>\n<p>List the age data you generated for the all 20 individuals.<\/p>\n<p>4a.<\/p>\n<p>What is the mean age for this simple random sample of 20 individuals?<br \/> Mean = ____________________________<\/p>\n<p>4b.<\/p>\n<p>How does the mean age from 4a compare with the mean age from the Part 1 mean age?<br \/> Mean age from Part 1 Number 1 = _________________<br \/> Mean age from Part 3 Number 4a = __________________<\/p>\n<p>4c.<\/p>\n<p>Comment on the values from 4b above. For example, are they close, why are they different, etc.<i><a href=\"http:\/\/essaysharkbestwriters.com\/\" target=\"_blank\">Click here to have a similar paper done for you by one of our writers within the set deadline at a discounted<\/a>\u2026<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FHEALTH The required values for this lab can be computed by using either (or both) Excel and\/or the TI calculator. The required graphs can be created by either (or both) Excel and\/or hand-drawing. All answers must be entered on this <a href=\"https:\/\/www.benedictsol.com\/blogs\/math-221-week-2-lab-assignment-statistics\/\" class=\"read-more\">Read More &#8230;<\/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-77381","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/posts\/77381","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=77381"}],"version-history":[{"count":0,"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/posts\/77381\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/media?parent=77381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/categories?post=77381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.benedictsol.com\/blogs\/wp-json\/wp\/v2\/tags?post=77381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}