For any set ofdata, what can be said about the percentage of the measurements contained in each of the followingintervals?

a. xs to x+s

b. x2s to x+2s

c. x3s to x+3s

a. Choose the correct answer below.

A.

At least 34 of the measurements will fall within 1 standard deviation of the mean.

B.

At least 12 of the measurements will fall within 1 standard deviation of the mean.

C.

At least 89 of the measurements will fall within 1 standard deviation of the mean.

D.

No useful information is provided.

b. Choose the correct answer below.

A.

At least 12 of the measurements will fall within 2 standard deviations of the mean.

B.

At least 34 of the measurements will fall within 2 standard deviations of the mean.

C.

At least 89 of the measurements will fall within 2 standard deviations of the mean.

D.

No useful information is provided

.

c. Choose the correct answer below.

A.

At least 89 of the measurements will fall within 3 standard deviations of the mean.

B.

At least 34 of the measurements will fall within 3 standard deviations of the mean.

C.

At least 12 of the measurements will fall within 3 standard deviations of the mean.

D.

No useful information is provided.

Click to select your answer.