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CO / 10 55.8% . . . X Page 7 of 10 HS 167, Fall 2022, Midterm / Part B: Problem-Solving [50 pts. Total] A
CO / 10 55.8% . . . X Page 7 of 10 HS 167, Fall 2022, Midterm / Part B: Problem-Solving [50 pts. Total] A researcher was interested in understanding how far students lived from campus. She asked 10 students in a particular class how many miles they lived from campus. These were the results: 17, 10, 5, 26, 1, 1 10, 11, 60, 6 Using the data above, answer the following questions: 1) What is the mode of distance from campus among these students? [2 points] 2) List the ordered data values (n=10). Use these values to answer the questions that follow. [1 point] 3% Using the data values recorded above, fill each of the requested summary statistics: A. 5-point Summary [5pts.] B. Box plot [5pts.] Lower inside value = IQR = Q1 = Fence Upper = Q2 = Fence Lower = Q3 = Are there any outside values (potential outliers)? Upper inside value = If so, list the outside values in the data: 4) Draw the boxplot onto the graph below, using the numbers on the left as a visual guide. Be sure to include all the important points on a box plot, and label potential outlier(s), if any. [5 pts.] Page 8 of 10 HS 167, Fall 2022, Midterm /Page 8 of 10 HS 167, Fall 2022, Midterm / Descriptive Statistics (report final answers to 2 decimal places). A group of SJSU students was asked about how many minutes they had exercised the previous day. Below are the number of minutes for a random sample of 5 students: 90, 150, 150, 75, 0 5) For the times listed above, calculate the mean exercise time among this group of college students. Show all your work. [2 points] Mean = 6) Complete the table below [10 points]: (x, - x) (x, -X) 90 150 150 Sum of Squares = Variance = Standard deviation = 7) The grades received (out of 10) for a random sample of 20 students for the first pop quiz in a class are as follows: 9, 8, 6, 10, 7, 8, 8, 5, 7, 10, 3, 2, 7, 8, 4, 9, 2, 10, 5, 5 Complete the table below [18 points] Data Frequency Relative Frequency Cumulative Frequency (%) (%) 10-2 3-4 5-6 7-8 9-10 Total What percentage of the students scored at least 5 out of 10? [2 points] Page 9 of 10 HS 167, Fall 2022, Midterm /
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