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A group 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

Respuesta :

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Answer:

Step-by-step explanation:

a.) Mean = [tex]\frac{7.5 + 8.25 + 9 + 8 + 7.25 + 7.5 + 8 + 7}{8}= 7.8125[/tex]

b.) Median = [tex]\frac{8+1}{2}=4.5[/tex]

c.) Minimum: 7.00

Quartile Q1: 7.375

Median: 7.75

Quartile Q3: 8.125

Maximum: 9.00

d.) Standard deviation σ=0.596212000886

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