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Zoom tor tor The data below are the number of students in each age group. Number of students 4 Ages 15-18 19-22 23-26 27-30 31-34 35-38 3 8 5 9 4 Based on the frequency distribution above, find the relative frequency for the class with lower class limit 23. Give your answer as a percent, rounded to one decimal place. Relative Frequency = Question Help: Video Submit Question

Given below is a data set: 66 77 70 87 76 75 69 71 76 73 89 78 95 69 60 72 84 72 61 66 75 65 73 83 95 80 73 96 73 62 Examine the data above by reviewing the stem-and-leaf plot. Here is the start of the plot. What are the missing values? 6# 01256699 7# 01223333556678 8#1 03479 9# 1 Submit Question

Question 6 < Given below are data that has approximately normal distribution. data data data 68.65 50.89 48.32 48.03 43.92 68.34 56.08 48.94 43.34 22.58 52.47 47.39 47.63 33.98 33.29 52.08 41.05 51.48 61.58 42.56 63.73 47.84 51.33 28.73 34.63 40.6 47.46 39.56 43.22 72.72 41.32 50.63 38.62 56.16 57.53 Submit Question data 51.12 45.68 63.76 > 60 65 In building a grouped frequency distribution table for this data set, how many values are there in the class 60- 64.99? Include the lower class limit, but not the upper class limit. 0/1 pt 2

ts oom or Question 12 Here is a data set: < > 516 513 581 567 496 482 522 564 424 588 449 479 489 404 555 495 533 514 487 520 645 515 542 What should be the first lower class limit? 1st lower class limit Question Help: Video Submit Question 540 480 531 461 513 The goal is to construct a grouped frequency distribution table (GFDT) for this data set. The GFDT should have 10 classes with a "nice" class width. Each class should contain its lower class limit, and the lower class limits should all be multiples of the class width. This problem is to determine what the class width and the first lower class limit should be. What is the best class width for this data set? optimal class width=