In a two-tailed hypothesis test for a mean the critical, Ask an Expert

Statistics

In a two-tailed hypothesis test for a mean the critical values were -1.83 and 1.83. If the test value of the mean is 1.67, what is the conclusion of the test?

A. The null hypothesis should be rejected.

B. The null hypothesis should not be rejected.

C. None of the above.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91012415

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

One study based on responses from 1016 randomly selected

One? study, based on responses from 1,016 randomly selected? teenagers, concluded that 44?% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than h ...

The speed of cars on a stretch of road is normally

The speed of cars on a stretch of road is normally distributed with an average 42 miles per hour with a standard deviation of 5.9 miles per hour. What is the probability that a randomly selected car is violating the spee ...

Suppose that 20 of men p20 and 15 of women p 15 are

Suppose that 20% of men (P=.20) and 15% of women (P= .15) are carriers of a particular genetic trait. That trait can only be inherited by a child if both parents are carriers. What is the probability that a child is born ...

If the data are pooled the 48 before scores had an average

If the data are pooled, the 48 "before" scores had an average of 7.48 and a standard deviation of 0.652. Assume that the "before" scores of people who have not seen any pictures has an average of 7.48 and a standard devi ...

The companys cleaning service states that they spend more

The company's cleaning service states that they spend more than 46 minutes each time the cleaning service is there. The company times the length of 37 randomly selected cleaning visits and finds the average is 47.6 minut ...

The diameter of ping pong balls manufactured at a large

The diameter of Ping Pong balls manufactured at a large factory are approximately normally distributed with a mean diameter of 1.30 inches and a standard deviation of .04 inches. Use Excel to calculate the probability of ...

Rework problem 25 from section 41 of your text involving a

Rework problem 25 from section 4.1 of your text involving a car saleswoman. Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a probability of 0.05 that the customer will buy the car ...

This table summarizes the results from alongtermrandomized

This table summarizes the results from along+termrandomized clinicaltrial to determine whether aspirin reduces the risk of heart attack. Researchers randomly assigned a large sample of healthy male physicians (22,071) ...

From a random sample of 58 businesses it is found that the

From a random sample of 58 businesses, it is found that the mean time the owner spends on administrative issues each week is 20.53 with a standard deviation of 3.23. What is the 95% confidence interval for the amount of ...

What is the 99 confidence interval for a sample of 52 seat

What is the 99% confidence interval for a sample of 52 seat belts that have a mean length of 85.6 inches long and a standard deviation of 3.8 inches?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert