Question

suppose we construct a 90% confidence interval for a mean. This is equivalent to a two-tailed...

suppose we construct a 90% confidence interval for a mean. This is equivalent to a two-tailed hypothesis test with _______ level of significance
A. 10%
B. 1%
C. 20%
D. 5%


Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

TOPIC:Confidence interval,level of significance.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1a. Suppose the value a is inside the 90% confidence interval for a coefficient in an...
1a. Suppose the value a is inside the 90% confidence interval for a coefficient in an estimated regression. Suppose one were to test the hypothesis that the coefficient is equal to a against the two sided alternative that it is not equal to a. Which of the following is a correct statement? I would not reject the null at the 10% significance level I would reject the null hypothesis at the 5% level of significance I would reject the null...
Is there a relationship between confidence intervals and two-tailed hypothesis tests? Let c be the level...
Is there a relationship between confidence intervals and two-tailed hypothesis tests? Let c be the level of confidence used to construct a confidence interval from sample data. Let α be the level of significance for a two-tailed hypothesis test. The following statement applies to hypothesis tests of the mean. For a two-tailed hypothesis test with level of significance α and null hypothesis H0: μ = k, we reject H0 whenever k falls outside the c = 1 –  α confidence interval...
Is there a relationship between confidence intervals and two-tailed hypothesis tests? Let c be the level...
Is there a relationship between confidence intervals and two-tailed hypothesis tests? Let c be the level of confidence used to construct a confidence interval from sample data. Let α be the level of significance for a two-tailed hypothesis test. The following statement applies to hypothesis tests of the mean. For a two-tailed hypothesis test with level of significance α and null hypothesis H0: μ = k, we reject H0 whenever k falls outside the c = 1 − α confidence...
Is there a relationship between confidence intervals and two-tailed hypothesis tests? Let c be the level...
Is there a relationship between confidence intervals and two-tailed hypothesis tests? Let c be the level of confidence used to construct a confidence interval from sample data. Let α be the level of significance for a two-tailed hypothesis test. The following statement applies to hypothesis tests of the mean. For a two-tailed hypothesis test with level of significance α and null hypothesis H0: μ = k, we reject H0 whenever k falls outside the c = 1 – α confidence...
We would like to construct a confidence interval for the mean μ of some population. Which...
We would like to construct a confidence interval for the mean μ of some population. Which of the following combinations of confidence level and sample size will produce the narrowest interval? A) 99% confidence, n = 35 B) 95% confidence, n = 30 C) 95% confidence, n = 35 D) 90% confidence, n = 30 E) 90% confidence, n = 35
If you construct a 90% confidence interval for the population mean instead of a 95% confidence...
If you construct a 90% confidence interval for the population mean instead of a 95% confidence interval and the sample size is smaller for the 90%, but with everything else being the same, the confidence interval would: a. remain the same b. become narrower c. become wider d. cannot tell without further information.
Construct a 90% confidence interval to estimate the population mean when x =62 and s​ =13.5...
Construct a 90% confidence interval to estimate the population mean when x =62 and s​ =13.5 for the sample sizes below. ​a) n=20 ​b) n=40 ​c) n=60 ​a) The 90% confidence interval for the population mean when n=20 is from a lower limit of nothing to an upper limit of nothing. ​(Round to two decimal places as​ needed.)
We use the t distribution to construct a confidence interval for the population mean when the...
We use the t distribution to construct a confidence interval for the population mean when the underlying population standard deviation is not known. Under the assumption that the population is normally distributed, find t??2,df for the following scenarios. Use Table 2. (Round your answers to 3 decimal places.) t?/2,df              a. A 95% confidence level and a sample of 8 observations.      b. A 90% confidence level and a sample of 8 observations.      c. A 95% confidence level and a...
We use the t distribution to construct a confidence interval for the population mean when the...
We use the t distribution to construct a confidence interval for the population mean when the underlying population standard deviation is not known. Under the assumption that the population is normally distributed, find tα/2,df for the following scenarios. (You may find it useful to reference the t table. Round your answers to 3 decimal places.) tα/2,df a. A 90% confidence level and a sample of 11 observations. b. A 95% confidence level and a sample of 11 observations. c. A...
The commonly used critical Z values are 1.645 for a 90% confidence interval (or 2-tailed, .10...
The commonly used critical Z values are 1.645 for a 90% confidence interval (or 2-tailed, .10 level of significance), 1.96 for 95% confidence and 2.58 for 99% confidence. If a different confidence level is required, such as 92%, how can you determine the critical Z value? What is the relationship between the confidence level and the level of significance of a 2-tail test? Which Hypothesis Tests use Z distributions? Which Hypothesis Tests use a Student’s t distribution? Which Hypotheses Tests...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT