Agroup of diners were asked how much they would pay for a meal. their responses were: $7.50, $8.25, $9.00, $8.00, $7.25, $7.50, $8.00, $7.00.

a. find the mean
b. find the median
c. write the 5-number summary for this data
d. find the standard deviation of this data

Step-by-step explanation:

a.) Mean =

b.) Median =

c.) Minimum: 7.00

Quartile Q1: 7.375

Median: 7.75

Quartile Q3: 8.125

Maximum: 9.00

d.) Standard deviation σ=0.596212000886

the range is 19

step-by-step explanation:

the range is biggest number minus the smallest, so in this case it would be

41 - 22 = 19

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.