Using ? = 0.05, test if the population variance ?2 is greater than 4.9 if a...
Using ? = 0.05, test if the population variance ?2 is greater than 4.9 if a sample of size 24 yields a sample variance of 6.5.
Homework Answers
Add Answer to:
Using ? = 0.05, test if the population variance ?2 is greater
than 4.9 if a...
2. To test the claim that greater than of size 300 i confidence level (use p-value...
2. To test the claim that greater than of size 300 i confidence level (use p-value inethod) n that greater than 2796 of the Americans favor death penalty. a sample an out of which ISO favor death penalty Test the claim at 016 3. A company pays an average of Sil per hour assuming that the sample is taken from a normal population, a sample of 14 workers shows mean wage of $10.5 and sample variance as 50.56. Test the...
You wish to test the claim that the first population mean is greater than the second...
You wish to test the claim that the first population mean is greater than the second population mean at a significance level of α = 0.002 . H o : μ 1 = μ 2 H a : μ 1 > μ 2 You obtain the following two samples of data. Sample one 70.3 82.4 62.3 97.4 69.1 63.3 64.7 89.4 81.6 67.6 82.0 51.0 53.4 68.8 73.5 sample2 60.2 61.0 62.8 62.8 75.3 77.4 68.8 61.0 58.5 What is...
z-test a sample for the null hypothesis using α = 0.05 as our threshold a) Given...
z-test a sample for the null hypothesis using α = 0.05 as our threshold a) Given a population with mean of 550 and variance of 100, what would be minimum sample mean to reject the null hypothesis if our sample size is 20? b) Given a population with mean of 550 and variance of 100, what would be maximum sample mean to reject the null hypothesis if our sample size is 20? c) Let’s assume the same population mean and...
You wish to test the following claim a significance level of α = 0.05 . H...
You wish to test the following claim a significance level of α = 0.05 . H o : p = 0.5 H a : p > 0.5 You obtain a sample of size n = 461 in which there are 257 successful observations. What is the test statistic for this sample? test statistic = Round to 3 decimal places. What is the p-value for this sample? P-value = Use Technology Round to 4 decimal places. The p-value is... less than...
You wish to test the following claim (Ha Ha ) at a significance level of α=0.05...
You wish to test the following claim (Ha Ha ) at a significance level of α=0.05 α=0.05 . Ho:p1=p2 Ho:p1=p2 Ha:p1>p2 Ha:p1>p2 You obtain 82.6% successes in a sample of size n1=447 n1=447 from the first population. You obtain 75.2% successes in a sample of size n2=472 n2=472 from the second population. For this test, you should NOT use the continuity correction, and you should use the normal distribution as an approximation for the binomial distribution. The test statistic's value...
You wish to test the following claim (Ha Ha ) at a significance level of α=0.05...
You wish to test the following claim (Ha Ha ) at a significance level of α=0.05 α=0.05 . Ho:p1=p2 Ho:p1=p2 Ha:p1>p2 Ha:p1>p2 You obtain 82.6% successes in a sample of size n1=447 n1=447 from the first population. You obtain 75.2% successes in a sample of size n2=472 n2=472 from the second population. For this test, you should NOT use the continuity correction, and you should use the normal distribution as an approximation for the binomial distribution. The test statistic's value...
is drawn from a Normal population with variance ?^2-5. Consider the z test with hypotheses A...
is drawn from a Normal population with variance ?^2-5. Consider the z test with hypotheses A simple random sample of size n-1 H0: ?: 14 H1: ? > 14 with significance level 0.05 If it were true that ?-157, what would be the power of this test? (Give answers correct to 3 decimal places)
Using α = 0.05, test if the mean weight change is less than 0 if a...
Using α = 0.05, test if the mean weight change is less than 0 if a sample of size 36 people on the Atkins diet yielded a mean change of -2.3 with a std deviation (s) of 4.5. Show steps, pls
Assuming that the population variances are equal, is there evidence that the overall score of pharm is greater than grocery-store pharmacies (a.05)? a) State the null hypothesis b) State th...
Assuming that the population variances are equal, is there evidence that the overall score of pharm is greater than grocery-store pharmacies (a.05)? a) State the null hypothesis b) State the alternative hypothesis c) What critical values should be used? d) What is the test statistic? e) What is the p-value? a) b) c) d) e) eaning of the p-value be rejected g) h) g) Should the nu h) What is the conclusio ) State one of the assumption j) State...
To test the claim that the mean population height is greater than 5.6 ft. Assume that...
To test the claim that the mean population height is greater than 5.6 ft. Assume that the population standard deviation sigma is known and alpha-596. Find the critical value. (Hint: draw the curve first, total area under the curve is given 5%) 0.05 1.96 2.575 1.645 2.85
2. To test the claim that greater than of size 300 i confidence level (use p-value inethod) n that greater than 2796 of the Americans favor death penalty. a sample an out of which ISO favor death penalty Test the claim at 016 3. A company pays an average of Sil per hour assuming that the sample is taken from a normal population, a sample of 14 workers shows mean wage of $10.5 and sample variance as 50.56. Test the...
is drawn from a Normal population with variance ?^2-5. Consider the z test with hypotheses A simple random sample of size n-1 H0: ?: 14 H1: ? > 14 with significance level 0.05 If it were true that ?-157, what would be the power of this test? (Give answers correct to 3 decimal places)
Assuming that the population variances are equal, is there evidence that the overall score of pharm is greater than grocery-store pharmacies (a.05)? a) State the null hypothesis b) State the alternative hypothesis c) What critical values should be used? d) What is the test statistic? e) What is the p-value? a) b) c) d) e) eaning of the p-value be rejected g) h) g) Should the nu h) What is the conclusio ) State one of the assumption j) State...
To test the claim that the mean population height is greater than 5.6 ft. Assume that the population standard deviation sigma is known and alpha-596. Find the critical value. (Hint: draw the curve first, total area under the curve is given 5%) 0.05 1.96 2.575 1.645 2.85
Most questions answered within 3 hours.
-
Rank the following titrations in order of increasing pH at the
halfway point to equivalence (1...
asked 2 minutes ago -
Physicians add a special dimension to a governing board. What
are the important things to consider...
asked 6 minutes ago -
Mr. Smalley, who had been diagnosed as manic-depressive and had
been in and out of mental...
asked 4 minutes ago -
A circular (0.8 m diameter) footing with q=50 kN/m^2 is placed
on the ground surface. Compute...
asked 9 minutes ago -
Calculate the effective radiation dosage in rems for a 75 ‑kg
person who is exposed to...
asked 11 minutes ago -
Determine the heat of combustion (ΔH2) for propane
(C3H8) using the bond energy table. HINT: you’ll...
asked 22 minutes ago -
1 Give the host id in binary for the following IP addresses
(assuming classful):
a) 130.11.6.9...
asked 24 minutes ago -
A concert loudspeaker suspended high off the ground emits 32 W
of sound power. A small...
asked 27 minutes ago -
WRITE A JAVA PROGRAM THAT READS DATA FROM A .CSV FILE
!!
PLEASE SEE INSTRUCTIONS BELOW...
asked 32 minutes ago -
Short essay, about 500 words that is structured like the
examples from the business world you...
asked 29 minutes ago -
A billiard ball moving at 6.00 m/s strikes a stationary ball of
the same mass. After...
asked 30 minutes ago -
From past history, the scores on a statistics test are normally
distributed with a mean of...
asked 1 hour ago