Hypothesis testing-population mean of student

Assignment Help Basic Statistics
Reference no: EM13110455

Mean score on 10 item test for all students enrolled in a Traditional course was 9.64. A random sample of 41 students in Project Course is given same test, and the mean and standard deviation for this sample are 11.52 and 7.06, respectively. Test the hypothesis at the .05 level that the mean score for all Project Course students on this test is higher than 9.64.

Reference no: EM13110455

Questions Cloud

Calculate the expected number of people who are heterozygote : In a study of 600 people, 345 have Rh+ and 255 were Rh-. Assuming Rh+ is dominant allele D and Rh- is recessive d, calculate the expected number of Rh+ people who are heterozygotes.
Information regarding research questions : How do research questions frame studies? What type of wording would lead to a qualitative study? A quantitative one?
How to find data collection methods-instruments are reliable : Data collection instrument used in managerial research. Why is it significant to make sure that these data collection methods and instruments are both reliable and valid?
How much revenue will it receive : What price should do you charge if it wants to maximize its revenue from this concert? And, how much revenue will it receive?
Hypothesis testing-population mean of student : Mean score on 10 item test for all students enrolled in a Traditional course was 9.64. A random sample of 41 students in Project Course is given same test
What could the healthcare team do to improve : Describe the care that Sue received. Why didn't the nurses who took care of her put themselves in her position and take better care of her?
Determine the time between orders : Hottenstein, Giffith, and Hult, attorneys at law, do a great deal of printing. The firm uses a single type of printer with annual demand for print cartridges of 480 per year.
Hypothesis testing-comparison of mean : A study to see how well marital dissolution was predicted by the personality scores of husbands and wives was published in the Journal of Personality and Social Psychology.
Determine proportion of employees who are managers : 37 percent of managers have MBA degrees. Using probability formulas. Determine the proportion of employees who are managers and have MBA degrees.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Calculating taxable income

Madison Metals recently reported $9,000 of sales, $6,000 of operating costs other than depreciation, and $1,500 of depreciation. The company had no amortization charges and no non-operating income.

  Statistical inference to business decision scenarios

The manager of the Gander Mountain store in Frogtown, IL, believes that his prices for ammunition are lower than the prices of his primary competitor in the hunting equipment market, Cabela's.

  Baseball players batting average

If a baseball player's batting average is 0.340 or 34%, find the probability that the player will have a bad season and only score at most 60 hits in 200 times at bat?

  Multiple choice questions based on regression

Multiple choice questions based on regression - multiple coefficient of determination

  Probability mass function and distribution function

Determine and plot the probability mass function and probability distribution function of the contract award amount (in millions of dollars).

  Findung range-standard deviation and variance

Find the range, standard deviation, and variance for the scores.

  Confidence interval for the population proportion

What statement can you made by using the rule of three, about the proportion p, of all its computers which are defective?

  Using binomial approximation-find the proportion days

Using Binomial approximation, find the proportion of the days that will be rejected.

  College students'' seating choices and motivation to achieve

This activity is a revision of an activity found in Real Data: A Statistics Workbook Based on Empirical Data by Z. C Holcomb (1997). Published by Pyrczak Publishing.

  Computing amount family spends per year on dental expenses

How much do typical employee and his or her family spends per year on dental expenses? Sample of 45 employee reveals mean amount spend last year was $1,820, with standard deviation of $ 660.

  Proportions-standard error and confidence interval

Ms. Maria Wilson is considering running for mayor of the town of Bear Gulch, Montana. Before completing the petitions, she decides to conduct a survey of voters in Bear Gulch. A sample of 400 voters reveals that 300 would support her in the Novemb..

  Question on secondary data

Please share 3 real world examples of problems, which occurred due to the use of secondary data. Be specific about the consequences as well the secondary data used. You may use your own organization or research the net or literature for this one.

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