Question

1. The National Center for Health Statistics reports that the systolic blood pressure for males (35-44...

1. The National Center for Health Statistics reports that the systolic blood pressure for males (35-44 years of age) has a mean 128 and standard deviation 15. The medical director of a large company looks at the medical records of 105 executives in same age group and finds that the mean systolic blood pressure in this sample is 126.30. At 95% level, is this evidence that the company’s executives have a lower mean systolic blood pressure than the general population?

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
The National Center for health statistics reports that the systolic blood pressure for males 35 to...
The National Center for health statistics reports that the systolic blood pressure for males 35 to 44 years of age has mean 128. The medical director of a large company looks at the medical records of 72 executives in this age group and finds that the mean systolic blood pressure in this sample is ?̄ = 126.07 and standard deviation is S=15. a) State the null and alternative hypotheses you would use to test whether the company’s executives have less...
The National Center for Health Statistics reports that the mean systolic blood pressure for males 35...
The National Center for Health Statistics reports that the mean systolic blood pressure for males 35 to 44 years of age is 128. Do the executives of a large company have a different mean blood pressure? We collect data on 72 executives and find x-bar=126.07 and s=15. For this test, we plan to use a significance level of 0.05. 1. Using a calculator, conduct the appropriate hypothesis test. Based on the p-value found throught the test, make a decision and...
The National Center for Health Statistics reports that the mean systolic blood pressure for males 35...
The National Center for Health Statistics reports that the mean systolic blood pressure for males 35 to 44 years of age is 128. Do the executives of a large company have a different mean blood pressure? We collect data on 72 executives and find x-bar=126.07 and s=15. For this test, we plan to use a significance level of 0.05. 1. Using a calculator, conduct the appropriate hypothesis test. Report the p-value. 2. Based on the p-value found in the previous...
The National Center for Health Statistics reports that the mean systolic blood pressure for all females...
The National Center for Health Statistics reports that the mean systolic blood pressure for all females aged 45 to 54 years is 130 with a population standard deviation of 9. A researcher randomly samples 64 female executives aged 45 to 54 years and determines their mean systolic blood pressure to be 132. Using this sample result, conduct a hypothesis test to determine if the researcher can conclude that female executives aged 45 to 54 years have a higher mean systolic...
A company medical director failed to find significant evidence that the mean blood pressure of a...
A company medical director failed to find significant evidence that the mean blood pressure of a population of executives differed from the national mean µ = 128. The medical director now wonders if the test used would detect an important difference if one were present. For a random sample of size 72 from a normal population of executive blood pressures with standard deviation σ = 15, the z statistic is z = (¯x − 128)/(15/ √ 72) The two-sided test...
The National Center for Health Statistics reports that 25% of all Americans between the ages of...
The National Center for Health Statistics reports that 25% of all Americans between the ages of 65 and 74 have a chronic heart condition. Suppose you live in a state where the environment is conducive to good health and low stress and you believe the conditions in your state promote healthy hearts. To investigate this theory, you conduct a random telephone survey of 25 persons 65 to 74 years of age in your state. *(Round your answer to 2 decimal...
According to a report sponsored by the National Center for Health Statistics, 75% of American women...
According to a report sponsored by the National Center for Health Statistics, 75% of American women have been married by the age of 30. Patrice, a single woman of 32 who has never been married, claims that this percentage is too high. To test her claim, she surveys 125 women between the ages of 18 and 30 and finds that 92 of them have been married. Does this evidence support Patrice’s claim that less than 75% of women 30 years...
1. The National Center for Health Statistics reported that of every 882 deaths in recent years,...
1. The National Center for Health Statistics reported that of every 882 deaths in recent years, 21 resulted from an automobile accident, 183 from cancer and 306 from heart disease. What is the probability that a particular death is due to an automobile accident? A 21/882 or 0.024 B 510/882 or 0.578 C 21/306 or 0.069 D 183/882 or 0.207 2. A survey of top executives revealed that 36% of them regularly read Time magazine, 20% read Newsweek and 41%...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT