Please type the answer only no ex[lantion required

Question 14

According to Chebyshev's Theorem, what percent of the observations lie within plus and minus 2.5 standard deviations of the mean?

Group of answer choices

84%

95%

88.9%

68%

Question 15

The Relative Frequency of 40 up to 50 is ___? What is the following table called?

Ages	Number of Ages
20 up to 30	16
30 up to 40	25
40 up to 50	51
50 up to 60	80
60 up to 70	20
70 up to 80	8

Group of answer choices

0.255

0.125

0.400

0.080

Question 16

What type of variable is the number of customers in line at the bank in a 24 hour period.

Group of answer choices

Attribute

Qualitative

Continuous

Discrete