Question

1) Calculate the five-number summary of the given data. Use the approximation method:

6,9,5,3,7,13,24,18,8,14,16,3,18,8

Enter answers in ascending order.

2) Consider the following data:

10,4,11,15,2,10,5,7

-Calculate the value of the sample variance, sample standard deviation, and the range. Round your answers to one decimal place.

3) Suppose that IQ scores have a bell shaped distribution with a mean of 104 and a standard deviation of 14. Using the empirical rule, what percentage of IQ scores are at least 90? Please do not round your answer.

Answer #1

calculate the five number summary of the given data. use the
approximation method. 18, 15, 1, 14, 18, 11, 12, 20, 13, 19, 14, 8,
24, 18, 17

Suppose that IQ scores
have a bell-shaped distribution with a mean of 104 and a standard
deviation of 15. Using the empirical rule, what percentage of IQ
scores are at least 59? Please do not round your answer.

Calculate the five-number summary of the given data. Use the
approximation method.
6,8,6,23,18,3,7,23,19,6,15,3,15,146,8,6,23,18,3,7,23,19,6,15,3,15,14

Calculate the five-number summary of the given data. Use the
approximation method.
13,16,24,18,10,25,24,13,20,18,8,15,18,15,20

Calculate the five-number summary of the given data. Use
the approximation method.
3,11,17,8,10,23,14,18,3,23,6,2,15,10

Suppose that IQ scores have a bell-shaped distribution with a
mean of 105 and a standard deviation of 14. Using the empirical
rule, what percentage of IQ scores are at least 77 ? Please do not
round your answer.

Suppose that IQ scores have a bell-shaped distribution with a
mean of 103 and a standard deviation of 15. Using the empirical
rule, what percentage of IQ scores are at least 133? Please do not
round your answer.

Suppose that IQ scores have a bell-shaped distribution with a
mean of 98 and a standard deviation of 17. Using the empirical
rule, what percentage of IQ scores are greater than 115? Please do
not round your answer.

Suppose that IQ scores have a bell-shaped distribution with a
mean of 96 and a standard deviation of 12. Using the empirical
rule, what percentage of IQ scores are less than 120? Please do not
round your answer.

Suppose that IQ scores have a bell-shaped distribution with a
mean of 9595 and a standard deviation of 1818. Using the empirical
rule, what percentage of IQ scores are no more than 149149? Please
do not round your answer.

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 12 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago