Of the three measures, which tends to reflect skewing the most, the mean, the mode, or the median? Why?

78.

In a perfectly symmetrical distribution, when would the mode be different from the mean and median?

2.7 Measures of the Spread of the Data

Use the following information to answer the next two exercises: The following data are the distances between 20 retail stores and a large distribution center. The distances are in miles. 29; 37; 38; 40; 58; 67; 68; 69; 76; 86; 87; 95; 96; 96; 99; 106; 112; 127; 145; 150

Two baseball players, Fredo and Karl, on different teams wanted to find out who had the higher batting average when compared to his team. Which baseball player had the higher batting average when compared to his team?

Baseball player

Batting average

Team batting average

Team standard deviation

Fredo

0.158

0.166

0.012

Karl

0.177

0.189

0.015

Table 2:59 to find the value that is three standard deviations:

Find the standard deviation for the following frequency tables using the formula. Check the calculations with the TI 83/84.83.

Find the standard deviation for the following frequency tables using the formula. Check the calculations with the TI 83/84.