Question
Asked Jan 11, 2020
7 views

The heights, in inches, of the members of a barbershop quartet of singers are listed below.

72,68,67,73

If the population variance for this data set is 6.5, what is the standard deviation of the heights of the barbershop quartet? Round your answer to 2 decimal places.

check_circle

Expert Answer

star
star
star
star
star
1 Rating
Step 1

Formula for standard deviation and variance:

Suppose x1, x2, …, xn is a data set of n observations belonging to a population, and is the population mean for the n observations. Then, the variance is the ave...

Statistics homework question answer, step 1, image 1
fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Statistics

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: In Exercises, we have provided simple data sets for you to practice finding the descriptive measures...

A: The values of 1st, 2nd, and 3rd quartiles are obtained using EXCEL software and the procedure is giv...

question_answer

Q: In Exercises, we have provided simple data sets for you to practice finding the descriptive measures...

A: Given that,1,2,3,4N=4

question_answer

Q: A manager has determined that a potential new product can be sold at a price of $29.00 each. The cos...

A: The formula for Break-even point is,

question_answer

Q: If the condition for using the empirical rule is met, why should that rule be used instead of Chebys...

A: The Chebyshev’s rule will estimate a minimal percentage, whereas the empirical rule gives almost the...

question_answer

Q: In Exercises 1–5, assume that 74% of randomly selected adults have a credit card (based on results f...

A: Define the random variable x as the number of adults who have credit card. Here, the number of adult...

question_answer

Q: This question has several parts that must be completed sequentially. If you skip a part of the quest...

A: According to the provided data, the number of dots on different faces of a die are 1, 2, 3, 4, 5, or...

question_answer

Q: In Exercises, we have provided simple data sets for you to practice the basics of finding measures o...

A: a.Computation of mean:The value of mean is obtained as 5, from the calculations given below:

question_answer

Q: Explain the difference between the quantities Σxi yi and (Σxi )(Σyi ). Provide an example to show th...

A: For Σxi yi, first product the observations, xi and yi and then add the product values of xi×yi.For (...

question_answer

Q: True–False Tests. A student takes a true–false test consisting of 15 questions. Assume that the stud...

A: Introduction to binomial distribution:Consider a random experiment involving n independent trials, s...