tions both equal 10. The mean and median of Bev's n = 5 observations both equal 18. %3| (a) Carol combines Al's and Bev's data into 8 observations. one collection of n Can the mean of Carol's data be calculated from the information given? If you think not, just say that. If you think it can, them calculate Carol's mean. (b) Refer to part (a). Demonstrate, by an ex- plicit example, that there is not enough information to determine Carol's median. Hint: Find two sets of data sets that sat- isfy Al's and Bev's conditions, yet, when

Choose the best statement to summarize the association shown between hat size and IQ in the scatterplot below. Hat Size O The scatterplot does not show a trend that would indicate an association between hat size and IQ scores. O As hat size increases, IQ scores tend to decrease. O As hat size increases, IQ scores tend to increase. Hat size causes IQ to increase.

Q2: Which of the following is the correct mean for the given data: -2, -1, 0, 1,2 (A) 2 (B) 0 (C) 2.5 (D) None of the above

The scatterplot below shows the mean cost of an oil change for Sadie's car during each of the last 10 years. Mean Cost of Oil Change Mean Cost (dollars) 000 25 A 20 B 15 Year Using the points (2, 15) and (7, 21), what is the best estimate of what the mean cost of an oil change willbe car for Sadie's car when it is 12 years old? 10 ➤X 0 1 2 3 4 5 6 7 8 9 10 Response 3* $25 III $27 C $29 40 $31 3 points

Consider the following table. Compare the mean, median, and mode of all of the exam scores with the mean, median, and mode of the exam scores removing the one score of zero. Which measure of average is most affected by eliminating the score of zero?   Mean Median Mode Exam scores including score of zero 58.6 80 80 Exam scores without the score of zero 81.7 81 80

your car is more crowded than you think.  table 5.8 reports results from a 1969 personal transportation survey on "home-to-work" trips in metropolitan areas. The survey stated that the average car occupancy was 1.4 people. check that calculation.