HomeworkLib
Question

You wish to test the claim that μ>12 at a level of significance of α=0.05 and...

You wish to test the claim that μ>12 at a level of significance of α=0.05 and are given the sample statistics mean = 12.3, deviation = 1.2, and sample size = 50. Compute the value of the standardized test statistic. A. 3.11 B. 0.98 C. 1.77 D. 2.31

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

solution Here Ho=M=12, VS Hi M>12 Given n = 12-3, s=12, n=50 Test statistic it = x - l = 4 inte - 7-4 - 12-3-12 = 1.768 1-2)5

0 0
Add a comment
Know the answer?
Add Answer to:
You wish to test the claim that μ>12 at a level of significance of α=0.05 and...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • We wish to test the claim that μ > 32 at a level of significance of...

    We wish to test the claim that μ > 32 at a level of significance of α = 0.05. The sample statistics are n = 50, and x-bar = 32.3. Moreover, it is known that the population mean is s = 12. Compute the test statistic, rounded to two decimal places. Group of answer choices 3.11 0.98 2.31 1.77

  • 20) You wish to test the claim that p> 6 at a level of significance of...

    20) You wish to test the claim that p> 6 at a level of significance of ?-005 and are given sample 20) statistics n 50, x - 6.3, and s 1.2. Compute the value of the standardized test statistic. Round your answer to two decimal places A) 1.77 B) 3.11 C) 0.98 D) 2.31 amnle size of n 35 and a level of 21)

  • You wish to test the claim that μ ≠ 14 at a level of significance of...

    You wish to test the claim that μ ≠ 14 at a level of significance of α = 0.05 and are given sample statistics n = 36 and x̅ = 13.5. Assume the population standard deviation is 2.7. Compute the value of the standardized test statistic. Round your answer to two decimal places.

  • You wish to test the claim that μ ≠ 22 at a level of significance of α = 0.05 and are given sample statistics n = 35, x...

    You wish to test the claim that μ ≠ 22 at a level of significance of α = 0.05 and are given sample statistics n = 35, x = 21.1, and s = 2.7. Compute the value of the standardized test statistic. Round your answer to two decimal places. a)Ho:___Ha:___

  • You wish to test the following claim (H a) at a significance level of α = 0.05.

    You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.      Ho:μ1=μ2Ho:μ1=μ2      Ha:μ1<μ2Ha:μ1<μ2You believe both populations are normally distributed, but you do not know the standard deviations for either. You should use a non-pooled test. You obtain a sample of size n1=16n1=16 with a mean of M1=50.7M1=50.7 and a standard deviation of SD1=7.4SD1=7.4 from the first population. You obtain a sample of size n2=12n2=12 with a mean of M2=53.7M2=53.7 and a standard deviation of SD2=18.2SD2=18.2 from the second population.What is the test statistic for this sample? (Report answer accurate to three decimal...

  • You wish to test the following claim (Ha) at a significance level of α=0.05.       Ho:μ=52.8...

    You wish to test the following claim (Ha) at a significance level of α=0.05.       Ho:μ=52.8       Ha:μ≠52.8 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=55 with mean M=54 and a standard deviation of SD=6.7. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal...

  • You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.       Ho:μ≤86.2Ho:μ≤86.2       Ha:μ>86.2Ha:μ>86.2...

    You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.       Ho:μ≤86.2Ho:μ≤86.2       Ha:μ>86.2Ha:μ>86.2 You believe the population is normally distributed and you know the standard deviation is σ=16.8σ=16.8. You obtain a sample mean of ¯x=89x¯=89 for a sample of size n=72n=72. What is the test statistic for this sample? (Report the answer accurate to three decimal places.) test statistic =   What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =   The...

  • We wish to test the claim that 22 at a level of significance of 0.05. We...

    We wish to test the claim that 22 at a level of significance of 0.05. We are given sample statistics n 35 and x-bar 21.1. Moreover, we are told that the population SD is ?-2.7. Compute the test statistic, rounded to two decimal places. -2.86 -3.12 We wish to test the claim that ? s 38 at a level of significance of ?-0.01 We are given sample statistics n40, and x-bar 39.8. Moreover, we are told that the population SD...

  • You wish to test the following hypotheses at a significance level of α=0.05α=0.05.       H0:μ=62.1       HA:μ<62.1 You...

    You wish to test the following hypotheses at a significance level of α=0.05α=0.05.       H0:μ=62.1       HA:μ<62.1 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=90 with mean ¯x=60.7 and a standard deviation of s=7.6 What is the test statistic for this sample? (Report answer accurate to two decimal places.) t= What is the degree of freedom? df=

  • est the claim about the population mean μ at the level of significance α. Assume the...

    est the claim about the population mean μ at the level of significance α. Assume the population is normally distributed. Claim: μ > 28; α = 0.05; σ = 1.2 Sample statistics: = 28.3, n = 50

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT