Underlying population and testing procedure

Assignment Help Basic Statistics
Reference no: EM131090173

Suppose that n = 9, ¯X = 85 and the sample standard deviation is s = 2. Test H0: μ = 83 against H1 : μ ≠ 83, stating any assumptions made about the underlying population, and the testing procedure.

Reference no: EM131090173

Questions Cloud

How would you use the scientific method in examining : Which research methodology would you use to examine your research problem? Why? How is this research methodology different from the other methodologies in psychology?
Confidence interval for average number of credit cards : Find the sample size n, and hence the sample mean ¯X . Use this information to calculate a 95% confidence interval for the average number of credit cards carried by students.
Summarise the statistical evidence : Stating the assumptions on which your arguments and conclusions are based, summarise the statistical evidence regarding the effectiveness of this diet.
A communication skill or an interpersonal relationship : Choose a communication skill or an interpersonal relationship that you want to improve. Describe how and why the skill or relationship needs improving. Give examples of when you utilize the skill and when you don't.
Underlying population and testing procedure : Suppose that n = 9, ¯X = 85 and the sample standard deviation is s = 2. Test H0: μ = 83 against H1 : μ ≠ 83, stating any assumptions made about the underlying population, and the testing procedure.
Calculate the corresponding p-value : Evaluate a test statistic for the null hypothesis H0: μ = 30 against the two-sided alternative hypothesis H1: μ _= 30, and by plotting this on its reference distribution, identify and calculate the corresponding p-value associated with H0. What ar..
Given function and graph on the same grid : Given f(x)= |x|, graph g(x) = |x| + 2 and h(x) |x| - 2 on the same grid and given f(x)= |x|, graph g(x) = |x + 2| and h(x) |x - 2| on the same grid.
Use any website summary sources : 2) Write only about one of the problems in standardized testing, now we have too many stuff in the essay we need to focus. for example, only write about how the standardized testing is not making students to improve, and give up all the other poin..
Point estimate for the average customers : A sample of 50 days showed that a fast food restaurant served an average of 182 customers during lunchtime (11:00 A.M. to 2:00 P.M). The standard deviation of the population is 8. Find the 96.24% confidence interval. A) What is the point estimate ..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Calculate the mean and variance of xt

Two bonus points for rigorously proving Xt and Xt+1 are not independent. Let Xt=1+et-0.5et-1, t=1,2,3,..., where et~IID N(0,2), variance of et is 2. Calculate the mean of Xt.

  Illustration of a null and alternative hypotheses

Give an example of a null and alternative hypotheses. This can be a personal item or something at work. Additionally, identify the Type I and Type II Errors that could occur with your decision-making process.

  Impact of the new point on the standard deviation

Explain what an outlier is. Then, if there are any outliers in the Project 1 Data Set, what are they? If there are no outliers, say no outliers.

  Explain the coefficients used in regression analysis

Test the significance of a correlation coefficient. Explain the coefficients used in regression analysis. Use regression analysis to analyze a time series

  Maximizing revenue during specific month

A producer of pleasure boats wants to maximize revenue during the next month. Two types of boats are sold, x1 and x2. Type x1 sells for $40,000 and type x2 sells for $30,000. The x1 boats require 10 weeks of labor and 600 board feet of lumber each..

  What is the probability that a random sample of 13 second

the reading speed of second grade students in large city is approximately normal with a mean on 90 words per minute and

  A simple random sample of families living in a chicago

a simple random sample of families living in a chicago suburb was selected. each family was asked to estimate the

  Probabilities-expected size of family

Using the probabilities above what is the expected size of family you draw?

  Determine the significance level of the sample

1. Restate the question as a research hypothesis and a null hypothesis about the population. 2. Set your significance level at .05 3. Determine the significance level of the sample's ANOVA, which "Sig." identifies exactly.

  What is that probability that exactly 5 students smoke px5

binomial distribution. the centers for disease control say that 30 of high school students smoke cigarettes. suppose

  How statistical application of pearson-used for hypothesis

Discuss how the statistical application of Pearson r is used for hypothesis testing. Through application of the Spearman Correlation discuss what type of data the Pearson formula can be used for.

  Solution for given problem - evaluate 17p19

If s(x) = [1-(x/100)]1/2, 0 ≤ x ≤ 100, evaluate a. 17p19 b. 15q36 c. 15|13q36 d. μ(36) e. E[T(36)].

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