Which samples show unequal variances? use amp945 .05 in, Ask an Expert

Statistics

Which samples show unequal variances? Use α = .05 in all tests. Show the critical values and degrees of freedom clearly and illustrate the decision rule.

a. s1 = 5.1, n1 = 11, s2 = 3.2, n2 = 8, two-tailed test

b. s1 = 221, n1 = 8, s2 = 445, n2 = 8, left-tailed test

c. s1 = 67, n1 = 10, s2 = 15, n2 = 13, right-tailed test

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9392032

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Suppose that a companys equity is currently selling for

Suppose that a company's equity is currently selling for $26.00 per share and that there are 5.60 million shares outstanding. If the firm also has 46 thousand bonds outstanding, which are selling at 109.00 percent of par ...

According to a study in a previous year 570 of households

According to a study in a previous year, 57.0% of households nationwide used natural gas for heating during a year. Recently, a survey of 2,700 randomly selected households showed that 58.0% used natural gas. Use a 0.05 ...

The p-value for a two-sided test of the null hypothesis h0

The P-value for a two-sided test of the null hypothesis H0: μ = 50 is 0.035. Does the 95% confidence interval include the value 50? Why? Does the 99% confidence interval include the value 50? Why?

Assume a random sample of n 5 measurements from a normal

Assume a random sample of n = 5 measurements from a normal distribution. Compare the standard normal z-values with the corresponding t-values if you were forming an 80% confidence interval.

A survey found that 80 of college students had access to a

A survey found that 80% of college students had access to a tablet. A sample of 250 college students is taken. Find the mean and standard deviation for this binomial distribution.

The risk rate of return is currently 005 whereas the market

The risk rate of return is currently 0.05, whereas the market risk premium is 0.05. if the beta of RKP, inc ,stock is 1.9 , then what is the expected return on RKP?

Suppose a retailer claims that the average wait time for a

Suppose a retailer claims that the average wait time for a customer on its support line is 179 seconds. A random sample of 57 customers had an average wait time of 169 seconds. Assume the population standard deviation fo ...

Sixty-seven percent of adults have looked at their credit

Sixty-seven percent of adults have looked at their credit score in the past six months. If you select 31 customers, what is the probability that at least 20 of them have looked at their score in the past six months?

On the production line the company finds that 997 of

On the production line the company finds that 99.7% of products are made correctly. You are responsible for quality control and take batches of 30 products from the line and test them. What number of the 30 being incorre ...

You are considering investing in a mutual fund the fund is

You are considering investing in a mutual fund. The fund is expected to earn a return of 15 percent in the next year. If its annual return is normally distributed with a standard deviation of 6.10 percent, what return ca ...

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