Solution-Set up the criteria for making a decision

Set up the criteria for making a decision

Assignment Help Basic Statistics

Reference no: EM132399899

A psychologist is interested in knowing whether adults who were bullied as children differ from the general population in terms of their empathy for others. 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 sample mean of 39.5 and a sample 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. (Make sure you are sign specific: + ; - ; or ± ) (Use your tables)

A. -1.645

B. ±1.645

C. ±2.756

D. 2.064

E. ±2.064

Reference no: EM132399899

Questions Cloud

Find the probability of the event : Ashley grabs three at random. Find the probability of the event. She gets all the red ones, given that she gets the fluorescent pink one.

Minutes and a standard deviation : The time to complete a standardized exam is approximately Normal with a mean of 70 minutes and a standard deviation of 10 minutes.

What is the standard error of the sample mean : a) What is the standard error of the sample mean for a sample of 46 Canadian adults?

National percent reported by large insurance company : Based on information from a large insurance company, 67% of all damage liability claims are made by single people under the age of 25.

Set up the criteria for making a decision : Set up the criteria for making a decision. That is, find the critical value using an alpha = .05. (Make sure you are sign specific: + ; - ; or ± )

Average shoe size of american men : The hypothesized value of the average shoe size in the population is 9, and observed shoe size in our sample of 1,000 men is 10, with a standard deviation of 2.

What is the 96th percentile score : The mean score on a college placement exam is 500 with a standard deviation of 100.

Compute a two-sided agresti-coull ci : Compute a 95% two-sided Agresti-Coull CI on the propotion of defective circuits.

Appropriate statistical approach : Explain the rationale for your selection in (a). Specifically, why would this be the appropriate statistical approach?

User Account

All Pages

Set up the criteria for making a decision

Reference no: EM132399899

Reference no: EM132399899

Questions Cloud

Reviews

Write a Review

Basic Statistics Questions & Answers

Statistics-probability assignment

What is the least number

Determine the value of k

What is the probability

Binomial distributions

Caselet on mcdonald’s vs. burger king - waiting time

Generate descriptive statistics

Sampling variability and standard error

Estimate the population mean

Conduct a marketing experiment

Find out the probability

Linear programming models

Assured A++ Grade

Academics

Major Subjects

Majors

Get In Touch

TERMS & POLICIES

HELP & SUPPORT