Mean score for the general population

Assignment Help Basic Statistics
Reference no: EM132037408

On a questionnaire designed to measure empathy, the mean score for the general population is 30.6. Random sampling of 25 scores obtained from individuals who were bullied yielded a mean of 39.5 and a standard deviation of 6.6.

Test at the .05 level of significance.

Set up the criteria for making a decision. That is, find the critical value using an

alpha = .05. (Be sign specific: + ; - ; or ± )

Reference no: EM132037408

Questions Cloud

Decided to sell new line of golf clubs : McGilla Golf has decided to sell a new line of golf clubs. What is the IRR for this project?
What is rusty-sell unleveraged required return : Rusty-Sell, Inc., a midstate Pennsylvania recycling facility, is L = 27% debt financed. What is Rusty-Sell’s unleveraged required return, r ?
What is the npv for project : The OCF of the project will be $878269. The tax rate is 30 percent, and the cost of capital is 8 percent. What is the NPV for this project?
Comparable market interest rates drop : What is the market price of a $1,000, 8 percent bond paying semiannual coupon if comparable market interest rates drop to 4 percent and bond matures in 15 years
Mean score for the general population : On a questionnaire designed to measure empathy, the mean score for the general population is 30.6.
Major retail store made a purchase : According to a survey, only 10% of customers who visited the web site of a major retail store made a purchase. Random samples of size 60 are selected.
Basic interface for spss : Why do you believe it is important to be able to freely move from window to window when creating your database?
Relationships between predictor and response variables : A research paper claims a meaningful contribution to the literature based on finding statistically significant relationships between predictor and response
Corresponding to desired confidence level : How do I find the level of significance used, Z score corresponding to desired confidence level, error bound of proportion.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidentiality at norc

The National Opinion Research Center conducts a large number of surveys and has established procedures for protecting the confidentiality

  Design and analysis of completely randomized design

a. Identify the treatment, experimental units and response variable of an experiment laid in CRD; b. State the linear model and define each component in terms of the given problem;

  Probability related to distribution of sat scores

The distribution of SAT scores is normal with a m=500 and a standard deviation of o=100. What SAT scores (X values) separate

  Calculate regression analysis

Calculate Regression Analysis

  Probability-health and safety committee

A health and safety committee is to be selected from all the people who work at a local factory. The committee is to consist of four members selected randomly from a list of ten names.

  Improved bioequivalence assessment of topical dermatological

The article "Improved Bioequivalence Assessment of Topical Dermatological Drug Products Using Dermato pharmacokinetics" (B. N'Dri-Stempfer, W. Navidi, et al., Pharmaceutical Research, 2009:316-328) describes a study in which a new type of ointment..

  Information of general statistics

If you have a population that has a small sample, but does not meet all of the criteria for the nonparametric test how can you tell what test to use?

  Find probability that oven cause a core to be defective

If the oven gets hotter than 475 degrees F, the core is defective. What is the probability that the oven will cause a core to be defective?

  Interactive routine for simulation in your or courseware

View the second demonstration example (Simulating a Queueing System with Priorities) in the simulation area of your OR Tutor. Then enter this same problem into the interactive routine for simulation in your OR Courseware.

  Hypothesis testing for mean-variance problem set

At the time she was hired as a server at the Grumney Family restaurant, Beth Brigden was told, "You can average more than $20 a day in tips.

  In an experiment to see if aspirin reduces the chance of

in an experiment to see if aspirin reduces the chance of having a heart attack a placebo isa the place where the

  What is the probability of randomly selecting a student

What is the probability of randomly selecting a student at the University of North Carolina with a GPA of 2.9 or lower?

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