Question
Asked Jan 19, 2020
22 views

TV Prices Listed below are selling prices in dollars of TVs that are 60 inches or larger and rated as a “best buy” by Consumer Reports magazine. Are the measures of variation likely to be typical for all TVs that are 60 inches or larger?

1800 1500 1200 1500 1400 1600
1500 950
1600
1150
1500
1750
help_outline

Image Transcriptionclose

1800 1500 1200 1500 1400 1600 1500 950 1600 1150 1500 1750

fullscreen
check_circle

Expert Answer

Step 1

Measures of variation:

The measures of variation are range, variance, and standard deviation

Range:

Range is the distance between the maximum and minimum values.

Substitute 1800 for “Maximum value” and 950 for “Minimum value” in range formula as shown below:

Statistics homework question answer, step 1, image 1
fullscreen
Step 2

Variance:

The variance of the selling prices in dollars of TVs that are 60 inches or larger is 61,117.4 dollars2.

Statistics homework question answer, step 2, image 1
fullscreen
Step 3

Standard deviation:

The standard deviation is the data values that differ from the mean.

The standard de...

Statistics homework question answer, step 3, 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

Other

Related Statistics Q&A

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

Q: A research report from an independent-measures study states that there are significant differences b...

A: a)From the given information, the degrees of freedom treatment is 3.

question_answer

Q: In Exercises 6–10, assume that women have diastolic blood pressure measures that are normally distri...

A: The probability can be calculated as:

question_answer

Q: Bone Density Test. In Exercises 1–4, assume that scores on a bone mineral density test are normally ...

A: The score separating the lowest 9% scores from the highest 91% is obtained below:From the informatio...

question_answer

Q: Loading Aircraft Before every flight, the pilot must verify that the total weight of the load is les...

A: Using the central limit theorem, the sample mean is normally distributed with mean µ and standard de...

question_answer

Q: Loading a Tour Boat The Ethan Allen tour boat capsized and sank in Lake George, New York, and 20 of ...

A: The random variable x represents the weights of men.The notation x-bar represents the mean weight of...

question_answer

Q: Confidence Intervals. In Exercise construct the confidence interval. Garlic for Reducing Cholesterol...

A: Solution: We are given: 

question_answer

Q: Switched Variables Which of the following change if the two variables of enrollment and burglaries a...

A: According to the provided information, two variable are given called Enrolment and Burglaries.Case 1...

question_answer

Q: Poll Results in the Media USA Today provided results from a poll of 1000 adults who were asked to id...

A: Solution: We are given that USA Today provided results from a poll of 1000 adults who were asked to ...

question_answer

Q: Tennis Challenges The table below shows results since 2006 of challenged referee calls in the U.S. O...

A: The hypotheses are stated below:Null hypothesis:H0: Gender and success are independent.Alternative h...