Sample mean weight for random samples

Assignment Help Basic Statistics
Reference no: EM131817067

Assume weights of women in their thirties to have a standard deviation of 33 pounds. Tell the standard deviation of each of the following distributions.

a. Sample mean weight for random samples of 9 women in their thirties

b. Sample mean weight for random samples of 121 women in their thirties

Reference no: EM131817067

Questions Cloud

Calculate the cost of goods manufactured for august : Calculate the cost of goods manufactured for August, Determine the cost of goods sold for August
Compare the centers of the distributions : Consider the distribution of sample mean number when 4 students pick a number at random from 1 to 10, compared to the distribution
Sample mean height for samples : Assume heights of adult males have a mean of 69 inches. Tell whether each of the following distributions would be centered to the left of 69, at 69.
Prepare journal entries to record the summary transactions : Purchase order for two trash collection vehicle systems complete with residence trash containers for automatic pickup
Sample mean weight for random samples : Assume weights of women in their thirties to have a standard deviation of 33 pounds. Tell the standard deviation of each of the following distributions.
Lengths of trunks of all adult african elephants : Tell whether each of these distributions would have a histogram that is extremely left-skewed, somewhat left-skewed, close to normal, somewhat right-skewed
How the world would be different today : Discussion: America in Vietnam- Speculate on how the world would be different today if the U.S. had not become involved in Vietnam.
What are the 8 un millenium goals 2015 : What are the 8 UN Millenium Goals 2015. And describe "very briefly" what the mail goal is and how much was achieved for each item so far?
Distribution of hours worked per week by wives : The distribution of hours worked per week by wives in the United States in the early 1990s had a mean of 26.0 and a standard deviation of 17.2.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Sketch a graph to illustrate the p value in hypothesis test

Technology and the Internet Communications satellites in geostationary orbit are designed to have a high orbit of 35,800 kilometers.

  The following frequency distribution presents a set of exam

the following frequency distribution presents a set of exam scores for a class of n 20 students.x f

  Describe the detectible level of mtbe distribution

Groundwater contamination in wells. In New Hampshire, about half the counties mandate the use of reformulated gasoline. This has lead to an increase.

  Find a confidence interval for difference in the proportion

Can we conclude that there is a difference in the output of the machines? Use a level of significance of 0.10.- Find a 95% confidence interval for difference in the proportion of nonconforming parts between the two machines.

  Draw venn diagram representing events r and c and i and g

Draw a Venn diagram representing events R, C, I, and G.- What is the value of P(R)?- What is the value of P(C or G)?- What is the value of P(R or C′)?

  Problem regarding the measure-preserving transformation

Let (X, A, P) be a probability space and T a measure-preserving trans- formation of X onto itself. Let Y be a real random variable on X and Yj := Y ? T j for j = 1, 2,... . Let S0 := 0 and for n = 1, 2,... , let Sn := Y1 + ··· + Yn and fn := m..

  Charts and diagrams used to describe quantitative

Obtain a number of tables, charts and diagrams used to describe quantitative information. Sources could include, for example, newspaper cuttings, building society pamphlets, textbooks or web search.

  How many students must be surveyed about alcohol abuse

Alcohol abuse. Growing concern about binge drinking among college students has prompted one large state university to conduct a survey to assess the size.

  Probability that she will get six questions? correct

a. What is the probability that she will get six questions? correct? (Round to four decimal places as? needed.)

  What is the mean of the sampling distribution

a. What is the mean of the sampling distribution?

  How the skewness of the distribution is affected by p and n

Specifically, let n = 5 and try p = 0.2, 0.5, and 0.8. Repeat the same for other values of n. Can you say something about how the skewness of the distribution is affected by p and n?

  Discussion about the timing in given problem

Suppose you record how long it takes you to get to work or school over many months and discover that the times are approximately bell-shaped with a mean.

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