Question

A video game manufacturer has recently released a new game. The manufacturer wishes to determine whether,...

A video game manufacturer has recently released a new game. The manufacturer wishes to determine whether, on the average, a player will score more or less than 50,000 points on this game. A random sample of 36 players yielded a sample mean of 52,100 points and a sample standard deviation (s) of 2,500 points.

a. State your null and alternative hypothesis.
b. Conduct the appropriate test and state your conclusion. c. What is the 95% confidence interval? (If applicable)

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A company that produces and markets video game systems wishes to assess its customers' level of...
A company that produces and markets video game systems wishes to assess its customers' level of satisfaction with a relatively new model, the XYZ-Box. In the six months since the introduction of the model, the company has received 73,219 warranty registrations from purchasers. The company will select a random sample of 65 of these registrations and will conduct telephone interviews with the purchasers. Specifically, each purchaser will be asked to state his or her level of agreement with each of...
My 1st Question is: A manufacturer of a new liquid-based antidepressant medication has randomly sampled 198...
My 1st Question is: A manufacturer of a new liquid-based antidepressant medication has randomly sampled 198 men and 202 women. Each sampled participant was asked to taste an unflavored version and a flavored version of the medication under development. The participants’ preferences are shown below: Flavored Antidepressants Gender Flavored Unflavored Men 101 97 Women 68 134 State the relevant null and alternative hypotheses. Conduct the appropriate test and state a conclusion, determining if there is a relationship between gender and...
Zelda Freeman is working on the release of a new video game and is trying to...
Zelda Freeman is working on the release of a new video game and is trying to understand factors that might drive sales. To try to understand demand better, she decides to analyze data on similar games sold recently at some local retailers. She collects data on the number of units sold during a specified time period, which is her main variable of interest. She hypothesizes that the number of units sold is related to a few other factors, namely the...
A school psychologist wishes to determine whether a new antismoking film actually reduces the daily consumption...
A school psychologist wishes to determine whether a new antismoking film actually reduces the daily consumption of cigarettes by teenage smokers. The mean daily cigarette consumption is calculated for each of eight teenage smokers during the month before and the month after the fi lm presentation, with the following results: (Note: When deciding on the form of the alternative hypothesis, H 1 , remember that a positive difference score ( D 5 X 1 2 X 2 ) reflects a...
Recall that "very satisfied" customers give the XYZ-Box video game system a rating that is at...
Recall that "very satisfied" customers give the XYZ-Box video game system a rating that is at least 42. Suppose that the manufacturer of the XYZ-Box wishes to use the random sample of 62 satisfaction ratings to provide evidence supporting the claim that the mean composite satisfaction rating for the XYZ-Box exceeds 42. (a) Letting µ represent the mean composite satisfaction rating for the XYZ-Box, set up the null hypothesis H0 and the alternative hypothesis Ha needed if we wish to...
Recall that "very satisfied" customers give the XYZ-Box video game system a rating that is at...
Recall that "very satisfied" customers give the XYZ-Box video game system a rating that is at least 42. Suppose that the manufacturer of the XYZ-Box wishes to use the random sample of 65 satisfaction ratings to provide evidence supporting the claim that the mean composite satisfaction rating for the XYZ-Box exceeds 42. (a) Letting µ represent the mean composite satisfaction rating for the XYZ-Box, set up the null hypothesis H0 and the alternative hypothesis Ha needed if we wish to...
Research Scenario 4 An organization has recently restructured and, in the process, has created a new...
Research Scenario 4 An organization has recently restructured and, in the process, has created a new department. Since the transition, members of the new department have had difficulty working with one another and departmental performance is low. An I/O consultant has been hired to implement an intervention to decrease interpersonal conflict among employees. To help diagnose the issue, he emails a survey to the 36 department members asking them to rate conflict levels on a scale from 1 (no conflict)...
  A researcher would like to determine whether an over-the-counter cold medication has an effect on mental...
  A researcher would like to determine whether an over-the-counter cold medication has an effect on mental alertness.  A sample of n = 16 participants is obtained, and each person is given a standard dose of the medication one hour before being tested in a driving simulation task.  For the general population, reaction time scores on the simulation task are normally distributed with μ = 210 and σ = 20.  The individuals in the sample had an average score of M = 222.             a....
A cell phone manufacturer claims that the batteries in its latest model provide 20 hours of...
A cell phone manufacturer claims that the batteries in its latest model provide 20 hours of continuous use. In order to verify this claim, and independent testing firm checks the battery life of 100 phones. They find that the batteries in these 100 phones last an average of 19 hours with a standard deviation of 5 hours. Conduct an appropriate hypothesis test to check whether the results from this sample provide sufficient evidence that the true mean battery life is...
The Tough Twine Company claims that their twine has an average breaking strength of 16.5 pounds....
The Tough Twine Company claims that their twine has an average breaking strength of 16.5 pounds. The head of the shipping department at Korber’s hardware store suspects that this figure is too high and wishes to test the appropriate hypothesis. He takes a random sample of 36 pieces and finds that the mean breaking strength of the sample is 15.8 lbs with s = 2.9 lbs. (a) State the null hypothesis and alternative hypothesis (b) Find the test statistic (c)...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT