Computing value of the test statistic

Assignment Help Basic Statistics
Reference no: EM13113430

At the time she was hired as a server, beth was told, "you can average more than $20 a day in tips." Over the first 35 days she was employed at the resturant, the mean daily amount of her tips was $24.85, with a standard deviation of $3.24. At the .01 significance level, can Beth conclude that she is earning an average of more than $20 in tips? State the null hypothesis and alternate hypothesis, state decsision rule, and compute the value of the test statistics? What is the P-value?

(a) State the null hypothesis and the alternate hypothesis.

(b) State the decision rule.

(c) Compute the value of the test statistic.

(d) What is your decision regarding H0?

(e) What is the p-value?

Reference no: EM13113430

Questions Cloud

How many millimoles of non-limiting reactant remain unused : If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.538 grams of iron and 13.0 mL of 0.40M copper(II) sulfate react to form as much product as possible.
Qualitaitve research-grounded theory : The topic I am treating now is based on using qualitative analysis based on grounded theory to investigate the topic "Mature student studying at University".
Calculate the total pressure of the mixture : A gas mixture being used to simulate the atmosphere of another planet consists of 324 mg of methane, 217 mg of argon, and 228 mg of nitrogen.
Hypothesis testing and calculating sample size : What is the required sample size if you need to estimate the number of workers in the United States who are highly satisfied with their job and you want the estimate to be within 2 percentage points of a 96% confidence interval.
Computing value of the test statistic : At the time she was hired as a server, beth was told, "you can average more than $20 a day in tips." Over the first 35 days she was employed at the resturant, the mean daily amount of her tips was $24.85, with a standard deviation of $3.24.
Construct frequency distribution with six classes for data : For commercial banks in each state, the U.S. Federal Deposit Insurance Corporation has determined the percentage of domestic assets. Construct a frequency distribution with 6 classes for this data.
Calculate the percent by mass of water : A 2.914-g sample gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 C in a crucible until a constant mass is reached.
Hypothesis testing of pie company : A pie company claims that the number of pies it sells daily is 1600. The President of the company wants to test the accuracy of this claim. He finds a random sample of 36 days' sales shows that the average daily sales were 1500 pies.
How might the primary structure of such a protein help : "The chains of several cell membrane - bound proteins are known to wind back and forth through the cell membrane, such that some parts of the protein structure are extracellular, some parts are intracellular, and some parts lie within the cell mem..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Knowing the mean score for a certain quiz in a statistics

Make a List of type of possible errors. Assume that you were interested in knowing the mean score for a certain quiz in a statistics class.

  Upper and lower control chart limit

Determine the upper and lower control chart limit and the lower control chart limit for various values of the fraction defective (p) in the sample taken. Assume a 99.7 % confidence.

  Mean from frequency distributions

Determine the estimated mean of the following frequency distribution. A sample of the amounts paid for parking on Saturday at the Downtown Parking Garage in Toronto was organized into the following frequency distribution.

  Estimating the mean number of travel days

You need to estimate the mean number of travel days per year for outside salespeople. The mean of a small pilot study was 150 days, with a standard deviation of 42 days.

  Interpretation of slope-intercept and regression equation

The use of linear regression is a critical tool for a manager's decision-making ability. Please carefully read the example below and try to answer the questions in terms of the problem context.

  Confidence interval for the differnce in means

The average age of the women was 45.582 with a standard deviation of 5.143. He uses this information to calculate a 95% confidence interval for the differnce in means, (-11.41, -5.422). The best interpretation of this interval is which of the foll..

  Testing of population proportion

Of the 38 numbers on a roulette wheel, 18 are red, 18 are black and 2 are green. If the wheel is balanced, the probability of the wheel landing on red is 0.474.

  Describing the shape of the distribution

Describe the shape of the distribution? what proportion of the players had no hits? how many players had 4 or fewer hits? what percentage of the players had one or fewer hits?

  Explain normal distribution curve probabilities

Given a normal distribution with a mean of 100 and a standard deviation of 10, what is the probability that

  Question about statistics-hypothesis testing

Nut problem: Manager claims 336g and a population standard deviation of 11g. We sample 64 bags and find

  Determining fraction of the calls

What fraction of the calls last between 4.2 and 5 minutes?

  Testing of hypothesis of sales

A manager hopes to improve the sales figures for 10 employees by sending them to a motivational seminar. To test the effectiveness of this seminar

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