User Account

All Pages

Calculate the mean and standard deviation

Assignment Help Basic Statistics
Reference no: EM132844635

Suppose that the incomes of all people in the United States who own hybrid (gas and electric) automobiles are normally distributed with a mean of $78,000 and a standard deviation of $7800. Let be the mean income of a random sample of 40 owners of suchautomobiles. Calculate the mean and standard deviation of and describe the shape of its sampling distribution.

Reference no: EM132844635

Questions Cloud

What is the expected number of flushes : What is the expected number of flushes we have in this sequence? Please express your answer as a single fraction with one integer in the numerator and one integ
Explain why 22p30 is not possible to calculate : Explain why 22P30 is not possible to calculate. (Please show mathematically)
Compute the total amount of cash and cash equivalents : The cash on hand included a customer postdated check of P150,000 and postal money order of P50,000. Compute the total amount of cash and cash equivalents
Different approaches for addressing the same question : -Why might the two different approaches for addressing the same question result in different answers? -Which of the approaches do you prefer and why?
Calculate the mean and standard deviation : Calculate the mean and standard deviation of and describe the shape of its sampling distribution.
What is the area between the mean and the z score : -What z score do you calculate? -What is the area between the mean and the z score found in Appendix A of the textbook?
Distribution of the scores in data set : Suppose mean = 70 mph and sd = 10 mph, what can we say about the distribution of the scores in that data set?
Calculate the overhead allocated to Job as of February : Direct materials used during February were $150,000. Calculate the overhead allocated to Job A24 as of February 28
What is the probability that two phones : Eighteen telephones have just been received at an authorized service center. Six of these telephones are cellular, six are cordless, and the other six

Reviews

Write a Review

Basic Statistics Questions & Answers

  Management in respect to project planning

How significant is project time management in respect to project planning--use the PMBOK® Guide to steer your discussion?

  Standard deviation of the sampling distribution

What is the standard deviation of the sampling distribution?

  If the z score is less than 0 what can be said of the score

If the z score is less than 0, what can be said of the corresponding raw score?

  What is the regression formula based on the results

a) What is the regression formula based on the results from your regression?

  What is your estimate for bass drum sales

The operations manager of a musical instrument distributor feels that demand for bass drums may be related to the number of television appearances.

  What are the mean and standard deviation in inches

Transform the distribution of heights from centimeters to inches. - There are 2.54 centimeters in an inch. What are the mean and standard deviation in inches?

  Which hypothesis-testing procedure is used for cases

Which hypothesis-testing procedure would you use in the following situations? The mean time an American family lives in a particular single-family dwelling is 11.8 years.

  What are parallel arrays

Please include C++ source code to support the explanation so I that I can truly comprehend the topics.

  Whether the true coefficient of correlation could be zero

Testing the null hypothesis that the slope of the true regression line equals zero is equivalent to testing whether the true coefficient of correlation could be zero. Why?

  The degrees of freedom

Assuming the nurses surveyed were a random sample from the population of all nurses in the United States, we can use these data to test the null hypothesis H0 that there is no association between the row and column variables in this two-way table...

  Completion time from start to finish of a building

completion time from start to finish of a building remodeling project is normally distributed with a mean of 200

  Find speed at which both drivers drive

Past studies have indicated that the speeds at which both Nevada and California drivers drive have normal distributions.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd