A sample of 171 men and 198 women had a mean reaction time of 260.9 milliseconds and standard deviation of 35.3 milliseconds (Reed, Vernon, & Johnson, 2004, p. 1711). Converting these values to seconds requires dividing by 1,000.

a. What would the mean for the data be if it were converted to seconds? Express your answer to four decimal places.

b. What would the standard deviation for the data be if it were converted to seconds? Express your answer to four decimal places.

c. The original data were positively skewed and leptokurtic. What would the shape of the data be after converting the variable’s unit from days to weeks?