Four hypothesis statements

Assignment Help Basic Statistics
Reference no: EM132465080

A. Perform hypothesis testing with  for each of the four hypothesis statements: alpha = 0.05

1. Mean sales per week exceed 42.5 per salesperson:

2. Proportion receiving online training is less than 55%: To find p-hat, the sample proportion, you need to count how many of online, then divide it by the total.

3. Mean calls made among those with no training is at least 145:  

4. Mean time per call is 14.7 minutes: This is a two-tailed test here, you need to split the  in half for each side of the curve.

Sample Calls mean = 158.44, sample standard deviation = 19.28, n= 100

Sample Time mean = 15.23, sample standard deviation = 2.61, n = 100

Reference no: EM132465080

Questions Cloud

How should referral credit be recorded in runway income : According to ASC 606, how should the $25 Referral Credit be recorded in Runway's Income Statement- as a reduction of revenue or as a marketing expense?
How gapminder and argunet tools could be used : How Gapminder and Argunet tools Could be used to develop a policy for optimizing bus and local train schedules to minimize energy use and passanger wait times.
What is the test statistic for scenario : What is the test statistic for this scenario? Give answer to exactly 4 decimal places.
What is the expected return on an equally weighted portfolio : What is the expected return on an equally weighted portfolio of these three stocks?What is the variance of a portfolio invested 29 percent each in A and B
Four hypothesis statements : A. Perform hypothesis testing with for each of the four hypothesis statements: alpha = 0.05
What is the highest possible significance level you can have : You calculate a p-value of 0.0667. What is the highest possible significance level you can have?
What is the probability that randomly chosen koopa troopa : What is the probability that a randomly chosen Koopa Troopa is taller than 75% of Goombas?
Post-closing trial balance does not include any revenues : The post-closing trial balance does not include any revenues, expenses, or dividends, because these accounts are permanent accounts.
Compute the observed t statistic by hand : Please compute the observed t statistic by hand. Report the t statistic using three decimal places.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Test the claim that sludge county has a pinworm infection

in sludge county a sample of 50 randomly selected citizens were tested for pinworm. of these 10 tested positive 20. the

  Printing for takeover bids

Vincent Chiarella was employed as a printer in a financial printing firm that handled the printing for takeover bids. Although the firm names were left out of the financial materials and inserted at the last moment, Mr. Chiarella was able to deduc..

  What is the cutoff for high leverage in the given scenario

What is the cutoff for high leverage in this scenario? Using the rule-of-thumb for leverages presented in class, state whether this point has high leverage?

  Are coefficients the key to finding what regression line is

And then to find the best line, this is where predicted Y and residual that is unaccounted for is used? Are coefficients the key to finding what regression?

  Testing of hypothesis on hypertension data

Working at Company X is very stressful for any human being. Medecines Sans Frontires stepped in to see if there is any possible violations of human rights at the notorious Company X.

  Find the value of b that minimizes the mse

Calculate the MSE for db(x) as a function of the choice b. Find the value of b (depending on n) that minimizes the MSE.

  How to set up the anova table

Random samples of 25 observations were selected from each of 3 populations. For these data, SSTR= 120 and SSE = 216.

  Find the probability of getting a five each time

You are dealt one card from a 52- card deck. Then the card is replaced in the deck, the deck is shuffled, and you draw again. Find the probability of getting a picture card the first time ad a spade the second time.

  Give the coefficients and the constants

1. Break the function down by answering the following: a. How many terms are in the equation? b. Give the coefficients and the constants (label them).

  A survey reported that 70 of those responding to a national

a survey reported that 70 of those responding to a national survey of college freshmen were interested in taking summer

  To estimate the average time required for certain repairs

With reference to Exercise 25, use the large-sample confidence-interval formula of Exercise 19 to construct a 98% confidence interval for the standard deviation of the time it takes a mechanic to perform the given task.

  Hypothesis that the market shares are equal

Using a probability of error, test the hypothesis that the market shares are equal versus the hypothesis that they are not equal (market 2 - market 1).

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