Find the z score for a sample with mean

Assignment Help Basic Statistics
Reference no: EM131880684

Samples of size n = 100 are taken from a population that has a mean of 50 and standard deviation of 15. Find the Z score for a sample with mean 46.25.

Reference no: EM131880684

Questions Cloud

Compute the material purchase price variance : During July, Zinger Corp. manufactured 3,900 units of product #43MR7. Compute the material purchase price variance and the material quantity variance
How do you implement the assessment : How do you implement the assessment? describe how? If there are several sections to the assessment how do you administer?
Determine that probability showing work : A training program designed to upgrade the supervisory skills of production-line supervisors has been offered for the past five years at a Fortune 500 company
Prepare necessary journal entries and t-accounts : Provide all journal entries and t-accounts necessary to account for this transaction on an annual basis (from inception of company to the end of the fiscal year
Find the z score for a sample with mean : Samples of size n = 100 are taken from a population that has a mean of 50 and standard deviation of 15. Find the Z score for a sample with mean 46.25.
Determine the value of ending inventory : Determine the value of ending inventory if the sales value at splitoff method is used for product costing. Round to three decimal places when necessary
Confidence interval to find the margin of error : 1. Use the confidence interval to find the margin of error and the sample mean. (0.178,0.380)
What surface should rodriguez choose to install at ssu : Conduct a 20-year cost-benefit analysis. Assume costs remain the same, but you must now account for a replacement synthetic field after 10 years.
Explain the formulas for finding the midpoint : In your own words explain the formulas for finding the midpoint and distance between two points.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining concept of binomial distribution

A student is taking a multiple choice exam in which each question has four choices . Assume that the student has knowledge of a correct answer to any of the questions.

  Find distribution of test scores is symmetric-left skewed

Median score of 67. Based on this information, the distribution of test scores is symmetric, left skewed, right skewed, or bimodal?

  Natural numbers and divisibility

The natural number 28A9B consists of different numbers and A is not equal to 0. When the number is divided by 9 the remainder is 7 and when it is divided by 5

  Test claim that proportion of people reporting imporvement

Test the claim that the proportion of the people reporting imporvement was higher amoung the experimental treatment group than the control treatment. use z= 1.96.

  Find probability x takes on a value smaller than the mean

Find the probability X takes on a value smaller than the mean.- Using the probability distribution, explain why the value of the mean of X makes sense.

  Identify the fallacies of relevance

Identify the fallacies of relevance committed by the following arguments, giving a brief explanation for your answer. If no fallacy is committed, write "no fallacy."

  Interpret each partial regression coefficient

A multiple regression equation has been developed for y daily attendance at a community swimming pool, x1 = temperature (degrees Fahrenheit), and x2 = weekend versus weekday. - For the regression equation shown below, interpret each partial regressio..

  Assume that the variable is normally distributed

That is, find the 80thpercentile, which is the X that represents the weight of the suitcase. Assume that the variable is normally distributed.

  Value of the standard error of estimate

Given are five observations collected in a regretion study on two variables: What is the value of the standard error of the estimate?

  What is standard deviation if data are normally distributed

A school administrator has students rate the quality of their education on a scale from 1 (poor) to 7 (exceptional). She claims that 99.7% of students rated.

  Compute the expectations and variances

Let Y denote the number of students on his bus. Compute the expectations and variances of X and Y:

  Coefficient of skewness

Determine the median, and the standard deviation. Determine the coefficient of skewness using Pearson's method. Listed below are the commissions earned ($000) last year by the sales representatives at the Furniture Patch, Inc.

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!

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