Distribution of samples

Assignment Help Basic Statistics
Reference no: EM1390021

The Appliance Center has six sales representatives at their North Jacksonville outlet. Listed below is the number of refrigerators sold by each last month.

Sales Representative Number Sold

Zina Craft 54

Woon Junge 50

Ernie DeBrul 52

Jan Niles 48

Molly Camp 50

Rachel Myak 52

a. How many samples of size two are possible?

b. Select all possible samples of size two and compute the mean number sold.

c. Organize the sample means into a frequency distribution.

d. What is the mean of the population? What is the mean of the sample means?

e. What is the shape of the population distribution?

f. What is the shape of the distribution of the sample mean?

Reference no: EM1390021

Questions Cloud

Purpose of the chi-square test for independence : Explain the purpose of the chi-square test for independence. Provide some practical examples where this test might be used in business.
Approximate population mean : Rhe frequency distribution summarizes a sample of times (in minutes) between eruptions of a cretain geyser. Find the approximate population mean and approximate population standard deviation of the data.
Proportion of defective items in a large shipment : When sampling is done for the proportion of defective items in a large shipment, where the population proportion is 0.18 and the sample size is 200, what is the probability that the sample proportion will be at least 0.20?
Detect subtle variations in local magnetic fields : The mythical Eurasian magnetic pinching beetle is able to manufacture and detect subtle variations in local magnetic fields. Male magnetic pinching beetles provide extensive parental care;
Distribution of samples : The Appliance Center has six sales representatives at their North Jacksonville outlet. Listed below is the number of refrigerators sold by each last month.
Calculate the labor-force participation rate : Calculate the working-age population as percentage of the population. Calculate the labor-force participation rate.
Data screening related to the assumptions of statistic : How is data screening related to the assumptions of the statistic you will choose to analyze your data?
Precision scientific instrument company : The Precision Scientific Instrument Company manufactures thermometers which are supposed to give readings of 0o C at the freezing point of water.
Purpose of the plyvalent anitgen solution : Discuss the purpose of the plyvalent anitgen solution? What results are desired? What would invalidate the test?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypertensive status and independent events

What is the probability that 0, 1, 2, or 3 hypertensives will be identi ed in such sibships if the hypertensive status of 2 siblings in the same family are independent events?

  Which of the following anova tables would have resulted

An experiment was carried out to assess the effects of four tomato varieties and four planting densities on yield. There were 64 plots, and each of the 16 factor combinations was randomly assigned to 4 plots. A partial ANOVA table

  Relationships according to the signs

If there is a negative dependent variable of -0.55, and independent variables Y1 of +0.75 and Y2 of -3.0, how do I interpret the relationships according to the signs?

  Sample mean and p-value

A random sample of 16 ages is drawn from the population, and we find the sample mean of these observations to be μ = 8.76

  Inverse probability depend on normal distribution

Where should the warranty limits be set so that only 10 percent of the HDTVs need repairs at the manufacturer's expense?

  Confidence interval estimate for the proportion

The margin of error for a 95% confidence interval estimate for the proportion of all students with cell phones is

  Select descriptive statistics and tests of homogeneity

Are there differences in satisfaction with Intake process of clients who admit with mental health problems, substance abuse problems, or both.

  Distributed with a population standard deviation

Suppose the weights of full boxes of a certain kind of cereal are normally distributed with a population standard deviation of 0.29 ounces.

  What is the finite population correction

Find out the finite population correction (FPC).With a population size of 1,000 and a planned sample size of 200, what is the finite population correction.

  Random sample of eight cars

A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance.

  Test for population standard deviation at 5 percent level

Choose the correct conclusion regarding the claim that the weights of statistics text vary more than the weights of text in general.

  Using original data and estimate population standard

Using the original data, estimate the population standard deviation with 90% probability.

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