Given the following data, find the following: Round your answers to 2 decimal places as needed 24 57 35 43 74 49 51 32 61 31 Mean =  Median =  Range =  Sample standard deviation =

Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 56.3 degrees. Low Temperature 40-44 45-49 50-54 55-59 60-64 Frequency 3 6 13 7 3

Use table for questions 1a, b,c, Number of hours spent sleeping at night 5 8 6 7 4 9 8 7 5 9 8 10 7 7 8 6 8 8 7 8 9 8 7 5 9 10 7 8 8 6 1a. Find the measurer of central tendency for the data. Mean: Median: Mode: 1b. Which measure of central tendency so you think gives the best indication of the number of hours the “typical” person spends sleeping each night? Explain 1c. Suppose anotherperson was surveyed who said that he spends 3 hours sleeping at night. How would this affect the mean, median and mode? 2A. Use the given data set to solve the following problems 100, 129,105,97,112,103,241,110,117,18. Find the a) mean b) median c) mode B) What effect dose removing the outlier have on each measure of central tendency? a) mean b) Mode c) Median 3. Gray has taken an aptitude test 8 times and his scores are 96,98,105,36,87,95, and 93. Which measure of central tendency is most appropriate for his score?

Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 52.7 degrees. Low Temperature (°F) Frequency 40-44 45-49 50-54 10 55-59 6 60-64 Find the mean of the frequency distribution, Round to the nearest tenth as needed. Which of the following best describes the relationship between the computed mean and the actual mean?