MATH 225N Week 4 Statistics Quiz – Question and Answers

MATH 225N Week 4 Statistics Quiz – Question and Answers Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are 16,14,14,21,15 Given the following list of prices (in thousands of dollars) of randomly selected trucks at a car dealership, find the median…… 20,46,19,14,42,26,33 Each person in a group shuffles a deck of cards and keeps selecting a card until a queen appears. Find the mode of the … following number of cards drawn from a deck until a queen appears……. 3,12,3,11,5,5,3,10,12 The dataset below represents bugs found by a software tester in her … product during different phases of testing:….. 88, 84, 81, 94, 91, 98, 98, 200. The measures of central tendency are … below: Mean: 25; Median: 92.5; Mode: 98. Identify the outlier and the measure of central tendency that is … by the outlier. Given the following histogram, decide if the data is … or symmetrical……. A bar graph has a horizontal axis titled Values labeled from 2 to 18 in … increments of 2 and a vertical axis titled Frequency labeled from 0 to 200 in increments of 50. 14 bars are plotted, above the numbers 2 to 16. From left to right, the heights of the bars are as follows: 1. 5. 10. 40, 75, 125, 190, 180, 130, 125, 60, 25,20, 10. All values are approximate. The following data set represents the ages of all seven grandchildren in a family……. 4, 5, 11, 12, 11, 8, 5 If the variance of the ages is 7, what is the … standard deviation? Round the final answer to one decimal place.