Mathematics > EXAM > Math 302 Knowledge Test 1 Questions And Answers( Complete Solution);Top score (All)

Math 302 Knowledge Test 1 Questions And Answers( Complete Solution);Top score

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1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes https://edge.apus.edu/portal/site/422034/tool/ec9eb4e9-baa8-99da-e8ce-8a6172704380/jsf/select/selectIndex 1/14 1.0/ 1.0 Points 1.0/ 1.0 Po in... ts Week 2 Knowledge Check Homework Practice Questions Return to Assessment List Part 1 of 8 - Measures of the Spread of Data Knowledge Check Homework 3.0/ 3.0 Points Question 1 of 20 Cholesterol levels were collected from patients two days after they had a heart attack (Ryan, Joiner & Ryan, Jr, 1985). Find the standard deviation. See Attached Excel for Data. cholesterol data.xlsx 8 KB A. 45.76  B. 47.71 C. 2195 D. 46.85 E. 9.02 F. 2276.29 Answer Key: B Feedback: use =STDEV.S function in Excel. Question 2 of 20 movie data.xlsx 9 KB Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows: See Attached Excel for Data. Find the sample mean. Round to two decimal places. 1.48 MATH302 B006 Win 20   Tests & Quizzes Tests & Quizzes 1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes https://edge.apus.edu/portal/site/422034/tool/ec9eb4e9-baa8-99da-e8ce-8a6172704380/jsf/select/selectIndex 2/14 1.0/ 1.0 Points 1.0/ 1.0 Points Answer Key: 1.48 Feedback: use =AVERAGE function in Excel. Question 3 of 20 FTES data.xlsx 8 KB The population FTES for 2005–2006 through 2010–2011 was given in an updated report. The data are reported here. See Attached Excel for Data. Standard Deviation: 167 Calculate the standard deviation. Round to one decimal place. Answer Key: 167.0| 167 Feedback: use =STDEV.S function in Excel. Part 2 of 8 - Box Plot Knowledge Check Homework Practice 2.0/ 2.0 Points Question 4 of 20 A survey was conducted of 130 purchasers of new BMW 3 series cars, 130 purchasers of new BMW 5 series cars, and 130 purchasers of new BMW 7 series cars. In it, people were asked the age they were when they purchased their car. The following box plots display the results. What is the interquartile range for the BMW 5 Series? A. about 32 years  B. about 17 years 1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes https://edge.apus.edu/portal/site/422034/tool/ec9eb4e9-baa8-99da-e8ce-8a6172704380/jsf/select/selectIndex 3/14 1.0/ 1.0 Points 0.0/ 1.0 Points C. about 42 years D. about 63 years Answer Key: B Feedback: IQR = Q3 - Q1 Q3 = 55 and Q1 is roughly 38. Question 5 of 20 For a boxplot, the vertical line inside the box indicates the location of the  A. median B. mode C. mean D. inter quartile range Answer Key: A Feedback: The Median is also known as Q2 or the second quartile value. Part 3 of 8 - Displaying Data Knowledge Check Homework Practice 1.0/ 2.0 Points Question 6 of 20 The following data represents the percent change in tuition levels at public, four-year colleges (inflation adjusted) from 2008 to 2013 (Weissmann, 2013). Below is the frequency distribution and histogram. Percentage Change in Tuition Levels histogram Class Limits Class Midpoint Frequency Relative Frequency 2.2 – 11.7 6.95 6 0.12 11.8 – 21.3 16.55 20 0.40 21.4 – 30.9 26.15 11 0.22 31.0 – 40.5 35.75 4 0.08 40.6 – 50.1 45.35 2 0.04 50.2 – 59.7 54.95 2 0.04 59.8 – 69.3 64.55 3 0.06 69.4 – 78.9 74.15 2 0.04 What was the approximate value of the most frequent change in tuition? 1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes https://edge.apus.edu/portal/site/422034/tool/ec9eb4e9-baa8-99da-e8ce-8a6172704380/jsf/select/selectIndex 4/14 1.0/ 1.0 Points A. 74.15  B. 20 C. 16.55 D. 78 E. 0.40 Answer Key: C Feedback: This has the highest frequency and relative frequency Question 7 of 20 The following data represents the grades in a statistics course. Below is the frequency distribution and histogram. 1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes https://edge.apus.edu/portal/site/422034/tool/ec9eb4e9-baa8-99da-e8ce-8a6172704380/jsf/select/selectIndex 5/14 Class Limit Class Midpoint Frequency Relative Frequency 40 – 49.9 45 2 0.08 50 – 59.9 55 1 0.04 60 – 69.9 65 7 0.28 70 – 79.9 75 6 0.24 80 – 89.9 85 7 0.28 90 – 99.9 95 2 0.04 1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes https://edge.apus.edu/portal/site/422034/tool/ec9eb4e9-baa8-99da-e8ce-8a6172704380/jsf/select/selectIndex 6/14 1.0/ 1.0 Points 1.0/ 1.0 Points What was the approximate lowest and highest grade in the class? A. 4 and 28 B. 40 and 100 C. 65 and 85  D. 40 and 99.9 E. 45 and 95 Answer Key: D Feedback: Lowest value is 40 and the highest value in the Class Limit is 99.9 Part 4 of 8 - Measures of Central Tendency Knowledge Check Homework Practice 3.0/ 4.0 Points Question 8 of 20 Cholesterol levels were collected from patients two days after they had a heart attack (Ryan, Joiner & Ryan, Jr, 1985). Find the mean. Round to 4 decimal places. See Attached Excel for Data. cholesterol data.xlsx 8 KB A. 235.2593  B. 253.9286 C. 268 D. 248.3245 E. 236 Answer Key: B Feedback: use =AVERAGE function in Excel Question 9 of 20 The following data show the amount (in ounces) of beverage in randomly selected 16-ounce beverage cans. See Attached Excel for Data. 1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes [Show More]

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