Question

Does the amount of time that people in a town work per week decrease as they...

Does the amount of time that people in a town work per week decrease as they get older?

younger age group older age group
mean 44.4 35.2
SD 8 10
Sample Size 12 10
Test Statistics=

p-value =

a. hypothesis testing and fill in the table

b. 2-sided 95% CI

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Jane is interested in knowing if people spend more time per week reading than watching television....
Jane is interested in knowing if people spend more time per week reading than watching television. She asked 10 people and is using this data as a sample. Her hypotheses are: HO : µ1 ≥ µ2 HA : µ1 < µ2 µ1 is the average amount of time spent reading and µ2 is the average amount of time spent watching television. The sample statistics are: Reading Watching TV Sample Mean, x 4.8                              5.5 Sample Standard Deviation, s                 5.47                           2.41 Sample...
1. The belief is that the mean number of hours per week of part-time work of...
1. The belief is that the mean number of hours per week of part-time work of high school seniors in a city is 10.7 hours. Data from a simple random sample of 28 seniors indicated that their mean number of parttime work was 12.5 with a standard deviation of 1.3. Test whether these data cast doubt on the current belief. (use α = 0.05) a.)State your null and alternative hypotheses. b.)Sketch the rejection region. c.) Calculate the test statistic. Plot...
he work week for adults in the US that work full time is normally distributed with...
he work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in hours of their work week. Their responses are shown in the table below. Test the claim using a 10% level of significance. Give...
Older people often have a hard time finding work. A research group reported on the number...
Older people often have a hard time finding work. A research group reported on the number of weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job is given in the table below. 21 14 51 16 17 14 16 12 48 0 27 17 32 24 12 10 52 21 26 14 13 24 19 28 26 26 10 21 44 36 22 39 17 17...
Older people often have a hard time finding work. AARP reported on the number of weeks...
Older people often have a hard time finding work. AARP reported on the number of weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job are contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. Job Search Time (Weeks) Formula 9 Sample mean #N/A 9 50 Standard Deviation #N/A 20 1 Confidence Level 0.95 29 3 Sigfinicance Level (Alpha) #N/A 11...
A survey was conducted to estimate the mean number of books (denoted by μ) each university...
A survey was conducted to estimate the mean number of books (denoted by μ) each university student read in the last year. Among a random sample of 61 students, the number of books each student read in the last year was recorded. The sample mean was 7.098 and the sample standard deviation was 2.644. Write down the point estimate of μ. (5 points) Calculate the standard error of the point estimate in a. (10 points) To construct a 95% two-sided...
Contingency table. For the following table that has frequencies from counties and their health outcomes, find...
Contingency table. For the following table that has frequencies from counties and their health outcomes, find the probability of a bad health outcome if you were to live in a rural county. bad good rural 501 68 urban 103 391 Binomial probability. About 2% of the time you would expect to succumb to an infection that keeps you from going to work in any given week. What is the probability of being out due to this event exactly once in...
1.The sample mean is an unbiased estimator for the population mean. This means: The sample mean...
1.The sample mean is an unbiased estimator for the population mean. This means: The sample mean always equals the population mean. The average sample mean, over all possible samples, equals the population mean. The sample mean will only vary a little from the population mean. The sample mean has a normal distribution. 2.Which of the following statements is CORRECTabout the sampling distribution of the sample mean: The standard error of the sample mean will decrease as the sample size increases....
Calculate the mean, median, mode, variance (population) and standard deviation (sample) for the following test grades:...
Calculate the mean, median, mode, variance (population) and standard deviation (sample) for the following test grades: 65, 60, 67, 71, 75, 80, 65 Use this information to answer questions #1-4. Question 1 (0.5 points) Saved The mode is: Question 1 options: 65 60 There is no modal category 75 71 Question 2 (0.5 points) Saved The median is: Question 2 options: 67 65 80 66 None of the above Question 3 (0.5 points) What is the approximate population variance for...
1 Over the past several years, the proportion of one-person households has been increasing. The Census...
1 Over the past several years, the proportion of one-person households has been increasing. The Census Bureau would like to test the hypothesis that the proportion of one-person households exceeds 0.27. A random sample of 125 households found that 43 consisted of one person. The Census Bureau would like to set α = 0.05. Use the critical value approach to test this hypothesis. Explain. 2 Organizations are relying more and more on social-networking sites to research job candidates. According to...