statistic

1. Explain why Mean, Median and Mode are referred to as measures of  central tendencies. (3 pts)

2. What is the purpose of finding Averages of numerical data? (3 pts)

3a. Decision making. Explain when to use the mean, the median and the mode to summarize data. (4 pts)

3b.  Give your own three real life examples of when to use each. (10 pts)

4. Does averages (mean, median, mode) give a complete description of data? Explain (4 pts)

5a. What information do measures of variation give? Explain (3 pts)

5b.  Mr. Carb is a diabetic. He checks his sugar level daily at night. Last week the readings were 124,  160,  136,  118,  132, 124 and 148. 

To access his A1C (estimated average glucose level), should we use the mean, median or mode? Explain. (6 pts)

5c. Calculate the mean average deviation (MAD). (6 pts.)

5d. If the average glucose reading is ok, is it better to have a high or low MAD? Explain. (6 pts.)

5e. What can Mr. Carb do to have a good MAD? Explain. (6 pts.)

DUE November 1st