Question

Test the claim that the mean age of the population in Sin City is less than...

Test the claim that the mean age of the population in Sin City is less than 26 years. Sample data (assumed to be Normal) are summarized as n=25, average=24.4 years and standard deviation=9.2 years. Use a significance level of 0.01.

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

Homework Answers

Answer #1

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
You decide to test the claim that the mean Age of TCC students is less than...
You decide to test the claim that the mean Age of TCC students is less than 30 at the .05 significance level. From your sample of 89 students, the mean age was 27.4, with a standard deviation of 9.2 years. The alternative hypothesis is: The Test Statistic is: The P Value is:
Identify the null and alternative hypothesis(in symbolic and sentence form), test statistic, P-value(or critical values), conclusion...
Identify the null and alternative hypothesis(in symbolic and sentence form), test statistic, P-value(or critical values), conclusion about the null hypothesis, and final conclusion that addresses the original claim (Don’t just say Reject the null hypothesis or fail to reject the null hypothesis). 4. Test the claim that the mean age of the prison population in one city is less than 26 years. Sample data are summarized as n=25,x ̅=24.4,and s=9.2. Use a significance level of α=0.05.
Use technology and a​ t-test to test the claim about the population mean mu at the...
Use technology and a​ t-test to test the claim about the population mean mu at the given level of significance alpha using the given sample statistics. Assume the population is normally distributed. ​Claim: mu greater than 74​; alpha=0.01    Sample​ statistics: x overbar=76.5​, s=3.4​, n=26
You wish to test the claim that the first population mean is less than the second...
You wish to test the claim that the first population mean is less than the second population mean at a significance level of α=0.002α=0.002.      Ho:μ1=μ2Ho:μ1=μ2 Ha:μ1<μ2Ha:μ1<μ2 You obtain the following two samples of data. Sample #1 Sample #2 69.4 46.4 38.8 62.3 53.2 55.4 55.8 53.6 33.7 36.6 54.3 89.6 53.6 59.5 55.8 68.0 65.0 64.9 57.1 74.0 63.1 64.7 74.7 65.0 72.4 74.7 What is the test statistic for this sample? test statistic =   Round to 4 decimal places....
test the claim about the population mean u at the level of significance a. assume the...
test the claim about the population mean u at the level of significance a. assume the population is normally distributed claim u=1660 a=0.01 o=82 sample statistics x=1630 n=35
A city officials claim that average transit usage in the city is less than 20%. Based...
A city officials claim that average transit usage in the city is less than 20%. Based on previous studies in different parts of the city, it is known that the share of transit is normally distributed in the city with a standard deviation of 3.5. A research group collected data for different parts of the city and ended up with 12 observations for transit usage in different parts of the city: 20, 18, 19, 16, 18, 26, 22, 19, 24,...
Hypothesis Test for a Population Mean (σσ is Unknown) You wish to test the following claim...
Hypothesis Test for a Population Mean (σσ is Unknown) You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.       Ho:μ=77.2Ho:μ=77.2       Ha:μ≠77.2Ha:μ≠77.2 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=83n=83 with mean M=78.9M=78.9 and a standard deviation of SD=13.7SD=13.7. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this...
Test the claim about the population mean μ at the level of significance α. Assume the...
Test the claim about the population mean μ at the level of significance α. Assume the population is normally distributed. Claim: μ = 1350; α = 0.01; σ = 82 Sample statistics: = 1320, n = 35  
Test the claim that the population of sophomore college students has a mean grade point average...
Test the claim that the population of sophomore college students has a mean grade point average of 2.24versus a mean grade point average greater than 2.24. Sample statistics include n=23, x⎯⎯⎯=2.4, and s=0.6. Use a significance level of α=0.01. The test statistic is   The critical value is​
Use technology and a t-test to test the claim about the population mean muμ at the...
Use technology and a t-test to test the claim about the population mean muμ at the given level of significance alphaα using the given sample statistics. Assume the population is normally distributed. Claim: muμgreater than>7474 ; alphaα=0.010 Sample statistics: x bar=74.374.3 , s=2.92.9 , n=26 What is the p-value of the test statistic?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT