The durations (minutes) of 26 electric power outages in the community of Sonando Heights over the past five years are shown below.     37 49 24 67 25 13 55 12 50 5 15 43 43 102 32 19 13 50 22 3 17 27 90 25 14 21     %media:excel.png% Click here for the Excel Data File   (a) Find the mean, median, and mode. (Round your answers to 2 decimal places.)    Descriptive Statistics Data   Mean     Median     Mode         (b) Are the mean and median about the same?      (Click to select)   Yes   No  , the mean is   (Click to select)   greater than   less than  the median.   (c) Is the mode a good measure of center for this data set?    multiple choice 3 Yes No

3. The data in the table shows the mileage that students commute to school. B. Find the weighted mean. Miles Midpoint Frequency 10 - 14 12 8 15 - 19 17 C. Draw a histogram for the data. 20 - 24 22 9 25 - 29 27 21 30 - 34 32 7 A. How many students are in the class?

Write one paragraph describing the data set using the histogram. Comment on the shape of the distribution of the data.

Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not…