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 acomplete 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,  110,  136,  118,  132 and 148.