Hypothesis test parameter

Assignment Help Basic Statistics

Reference no: EM13111453

Microsoft Excel was used on a set of data involving the number of parasites found on 46 Monarch butterflies captured in Pismo Beach State Park. A biologist wants to know if the mean number of parasites per butterfly is over 20. She will make her decision using a test with a level of significance of 0.10. The following information was extracted from the Microsoft Excel output for the sample of 46 Monarch butterflies:

n=46: Arithmetic Mean=28.00: Standard Deviation=25.92: Standard Error=3.82: Null Hypothesis: Ho:u<=20.000: a=0.10: df=45: T Test Statistic=2.09: One-Tailed Test Upper Critical Value=1.3006: p-value=0.021: Decision=Reject.

Referring the the table above, the parameter the biologist is interested in is:

the mean number of butterflies in Pismo Beach State Park.

the mean number of parasites on these 46 butterflies.

the mean number of parasites on Monarch butterflies in Pismo Beach State Park.

the proportion of butterflies with parasites

Reference no: EM13111453

Questions Cloud

Demand for your jeans is growing at boutiques : Marine that you're the owner of a thriving high-end blue jean manufacturer. Demand for your jeans is growing at boutiques as well as department stores across the country thanks in large part to your sales efforts over the last year

Determining hypothesis test interpretation : An entrepreneur is considering the purchase of a coin-operated laundry. The present owner claims that over the past 5 years, the average daily revenue was $675 with a standard deviation of $75.

Discuss importance of completing post project reviews : Assess the importance of completing post-project reviews, and determine what project documentation must be updated as the result of the review meeting.

List at least one advantage of international trade : Counselling the President of Romania making recommendations for international trade. Address the following- o List at least one advantage as well as one limitation of international trade you encountered in the simulation.

Hypothesis test parameter : Microsoft Excel was used on a set of data involving the number of parasites found on 46 Monarch butterflies captured in Pismo Beach State Park.

Rejection region for a hypothesis test : The owner of a local night club has recently surveyed a random sample of n=250 customers of the club. She would now like to determine whether or not the mean age of her customers is over 30.

Explain work in project groups : A local public relations firm that arrogances itself on customer satisfaction has been experiencing several employee-related problems. Workers in this company work in project groups consisting of three to seven people

Criterion for rejection or nonrejection of null : Which of the t-test methods are you going to use and why? Formulate the null and alternative hypothesis. Determine the criterion for rejection or nonrejection of the null. What is the t-statistic for this analysis

Explain marketing strategy for a new software product : Courtney a sales manager and her team of six have been assigned the task of developing a marketing strategy for a new software product developed by her company

User Account

All Pages