Find degrees of freedom associated normally distributed

Assignment Help Basic Statistics
Reference no: EM13148639

In performing a hypothesis test where the null hypothesis is that the population mean is 4.8 against the alternative hypothesis that the population mean is not equal to 4.8, a random sample of 25 items is selected. The sample mean is 4.1 and the sample standard deviation is 1.4. It can be assumed that the population is normally distributed. The degrees of freedom associated with this are?

Reference no: EM13148639

Questions Cloud

Find average profits for order quantities of interest : Using a simulation of 25 random numbers. Find average profits for order quantities of interest. Investigate in intervals of 500.
Basis for land and improvements : He subdivides the land and installs streets and sewers at a cost of $100,000. What is Levi's basis for the land and the improvements?
Describe the interplay of these cells in a specific immune : Name the non-memory B & T cells produced by the body. Discuss the interactions and origins of the different types of T cells and B cells and the role of "recognition." Describe the interplay of these cells in a specific immune response.
Journal entry for sorter company : On January 16, 2011, Sorter Company determined that its receivable from Ordonez Company of $8,000 will not be collected, and management authorized its write-off. a) Prepare the journal entry for Sorter Company to write off the Ordonez receivable.
Find degrees of freedom associated normally distributed : The sample mean is 4.1 and the sample standard deviation is 1.4. It can be assumed that the population is normally distributed. The degrees of freedom associated with this are?
Jet blue corporation continuously offers fare : Jet Blue Corporation continuously offers fare discounts to attract customers awareness about the company, increase market share and increase revenues on the routes in the USA market.
Recognized gain or loss of annie : Annie gives her son stock with a basis in her hands of $52,000 and a fair market value of $48,000. No gift tax is paid. Son subsequently sells the stock for $49,000. What is his recognized gain or loss?
Maximum external price : Majestic could avoid $5,000 in fixed overhead costs if it acquires the CDs externally. If cost minimization is the major consideration and the company would prefer to buy the 60,000 units externally, what is the maximum external price that Majesti..
Determine which of three retraining programs is the best : Employees of MNM Corporation are about to undergo a retraining program. Management is trying to determine which of three programs is the best.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability that item selected for inspection is defective

The company has evidence that its line produces %0.9 of noncorforming items. What is the probability that an item selected for inspection is classified as defective?

  Correlation or relationship between two variables

We say that two things have a positive relationship if they move in the same direction, or as one thing increases, so does the other. Or if one thing decreases, so does the other.

  Detailed explanation to probability and statistics

A package of frozen vegetables has a label that says "contents 32 oz." The company that produces these packages knows that the weights are normally distributed with mean 32 oz. and has a standard deviation of 2 oz.

  Find probability that judy is diagnosed as hypokalemic

If measurements are made instead on 4 separate days and the mean result is compared with the criterion 3.5, what is the probability that Judy is diagnosed as hypokalemic?

  Difference between sample and population

What is the difference between a sample and a population? When can the same information (e.g. the age of each of the ten students in our class) be considered both sample data and population data?

  Determining upper and lower control limit

Super Cola Bottles soft drinks labeled "net weight 16 ounces." An overall process average of 16.01 ounces has been found by taking several batches of samples, in which each sample contained 5 bottles.

  Find cutoff and the score of the sample

Using the .05 level, what should the researcher conclude? Solve this problem explicitly using all five steps of hypothesis testing.

  Determine and interpret p-value for testing mean weight

Population standard deviation is known to be 8 grams. Determine and interpret p-value for testing that mean weight of Take-a-Bite is less than 175 grams.

  Explain logic behind using sum of products of deviation

What is the logic behind using the sum of the products of deviation scores as the numerator of the formula for the correlation coefficient? Is this logic sound? Why or why not?

  Knowledge about exponential and logarithmic functions

You have $380,000 in your bank account. The interest rate in your account is 5%. Solve for the following showing your work: How much interest will you accumulate if interest is compounded annually over the next five years?

  Create a frequency distribution of the sample mean

Construct a frequency distribution of the sample mean, and plot a histogram of this distribution. Use the central limit theorem to calculate and identify the sampling distribution of the sample mean.

  Find out the 99% confidence interval for population mean

The coffee/soup machine at the local bus station is supposed to fill cups with 6 ounces of soup. Ten cups of soup are brought with results of a mean of 5.93 ounces and a standard deviation of 0.13 ounces. Construct a 99% confidence interval for th..

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