How large a sample should he take to estimate the mean weigh, Basic Statistics

+44 141 628 6080
[email protected]

How large a sample should he take to estimate the mean weigh

A medical statistician wants to estimate the average weight loss of people who are on a new diet plan. In a preliminary study, he guesses that the standard deviation of the population weight losses is about 10 pounds. How large a sample should he take to estimate the mean weight loss to within 2 pounds, with 95% confidence?

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: How large a sample should he take to estimate the mean weigh

Reference No:- TGS0121183

Expected delivery within 24 Hours

Have a Question? (oR Write a Review)

Write atleast 100 words!!

Recent Questions Asked Basic Statistics

Q : Find interval that estimate contains one-day travel expenses

If an executive submits an expense of $720 for a one-day stay in Moscow, should this expense be considered unusually high? Why or why not?

Q : Can we conclude at the 5% significant level that the claim

The sample mean was calculated as = 5,064 hours. If we assume that the lifetime of this type of bulb has a standard deviation of 400 hours, can we conclude at the 5% significant level that the claim is true?

Q : Confidence interval for sat scores

A college wants to know the lower limit of a two-sided 95% confidence interval for SAT scores on the Math section (range equals 200 to 800). They sampled 400 students and found that the sample mean was 550 and the sample standard deviation was 80.

Q : Chemotherapy sessions

Before each of his chemotherapy sessions, Allen is given a bowl of ice cream. The chemotherapy makes Allen nauseated. Now just seeing the bowl of ice cream makes him feel queasy. The chemotherapy is:

Q : How large a sample should he take to estimate the mean weigh

Q : What percentage of shipments will have damaged computers

Computers contains an average of 17 damaged computers with a standard deviation of three. What percentage of shipments will have between 11 and 23 damaged computers?

Q : Human brain processes

Mariah is a neuroscience graduate student interested in understanding how the human brain processes early childhood memories. What technique should Mariah use to determine which brain regions are activated when someone recalls their first memory?

Q : Find the 90% confidence interval estimate

The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 15. A random sample of 15 salespeople was taken and the number of cars each sold is listed here. Find the 90% confidence interval estimat

Q : What would be the distribution of scores

On a grammer test, half the students scored 90%. Of the remaining students, most scored in the 705-79% range. However, a few students scored below 60%. What would be the distribution of scores in this situation?

1941374

Questions
Asked

3,689

Active Tutors

1416827

Questions
Answered

Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!

ask Question

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: How large a sample should he take to estimate the mean weigh

Reference No:- TGS0121183

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Find interval that estimate contains one-day travel expenses

Q : Can we conclude at the 5% significant level that the claim

Q : Confidence interval for sat scores

Q : Chemotherapy sessions

Q : How large a sample should he take to estimate the mean weigh

Q : What percentage of shipments will have damaged computers

Q : Human brain processes

Q : Find the 90% confidence interval estimate

Q : What would be the distribution of scores

How would you define altruism

Explain the meaning of the sacrificial lamb

Compare the different understandings of chaos

What are the key truths god intends to communicate

Describe the mehfil-e-sama in india

Construct a response to a new religious movement

Providing care that respects others spiritual and religious

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: How large a sample should he take to estimate the mean weigh

Reference No:- TGS0121183

Recent Questions Asked Basic Statistics

Q : Find interval that estimate contains one-day travel expenses

Q : Can we conclude at the 5% significant level that the claim

Q : Confidence interval for sat scores

Q : Chemotherapy sessions

Q : How large a sample should he take to estimate the mean weigh

Q : What percentage of shipments will have damaged computers

Q : Human brain processes

Q : Find the 90% confidence interval estimate

Q : What would be the distribution of scores

Asked Questions