Question

Unoccupied seats at the Cardinal’s football stadium causes the football team to lose revenue. The Cardinal’s owner wants to estimate the mean number of unoccupied seats per game over the past few years. To accomplish this, the records of 225 games are randomly selected and the number of unoccupied seats is noted for each of the sampled games. The sample mean is 11.6 seats and the sample standard deviation is 4.1 seats. n – 1 =

Answer 1

SOLUTION:-

Given data,

n=225

Mean = 11.6

standard deviation = 4.1

Calculation of n-1:-

df =n-1

=225-1

=224

n-1=224