Q 111

A sample of twelve families was taken. Each family was asked how many times per week they dine in restaurants. Their responses are given below.
Using this data set, compute the
a.mode
b.median
c.mean
d.range
e.interquartile rangef. varianceg. standard deviationh. coefficient of variation

Q 112

A sample of 9 mothers was taken. The mothers were asked the age of their oldest child. You are given their responses below.
a.Compute the mean.
b.Compute the variance.
c.Compute the standard deviation.
d.Compute the coefficient of variation.
e.Determine the 25th percentile.f. Determine the mediang. Determine the 75th percentile.h. Determine the range.

Q 113

A sample of 11 individuals shows the following monthly incomes.
a.What would be a representative measure of central location for the above data? Explain.
b.Determine the mode.
c.Determine the median.
d.Determine the 60th percentile.
e.Drop the income of individual number 11 and compute the standard deviation for the first 10 individuals.