How big of a sample size would the students need

Assignment Help Basic Statistics
Reference no: EM132401570

The SAT score mean: 780000 Standard deviation: 10000 The sample of 300 students

How big of a sample size would the students need if they wanted to reduce the standard deviation to $7,000?

Reference no: EM132401570

Questions Cloud

Cluster sample or a stratified sample : What type of sampling method do you think would provide the most unbiased sample, a cluster sample or a stratified sample?
How to manage and monitor the success of the interventions : Your principal recognizes your leadership role and that you have utilized data to inform instruction and has asked that you create a digital presentation.
How organizations help you stay current with changes : Research three national, state, and local professional reading/literacy organizations that are associated with a current policy/issue affecting your school.
How did the teacher accommodate for different elp levels : For this assignment, observe, and assess at least one lesson involving ELLs using the Sheltered Instruction Observation Protocol (SIOP) checklist in Sheltered.
How big of a sample size would the students need : How big of a sample size would the students need if they wanted to reduce the standard deviation to $7,000?
How you differentiate additional communication support : An explanation of how you differentiate and/or provide additional communication support for all of the following: Students with emergent literacy skills.
Confidence interval for the proportion of test-takers : What is the 95% confidence interval for the proportion of test-takers answering the question correctly?
Week in the software development trade : What is the 99% confidence interval for the average work week in the software development trade?
What is the statistic for the hypothesis : An online poll asked do you believe in the loch ness monster exist? Among 20647 responses 66% believed use a 0.1 significance level to test the claim

Reviews

Write a Review

Basic Statistics Questions & Answers

  Suggest an approach to managing client expectations

Suggest an approach to managing client expectations in the highway project that might have resulted in meeting or exceeding expectations

  Numbers mean for the national weather service

What do these four numbers mean for the National Weather Service or weather forecast, the mean and median value of TPCP.

  Write a sentence or two of interpretation

The ratings of random samples of both groups were collected, and the results are reported here (higher ratings indicate greater efficiency).

  Climate change is a serious problem

Make a 95% confidence interval for the proportion of all Democrats who think that climate change is a serious problem.

  Discussion on break-even analysis-fiscal education

Break-even analysis is an important part of fiscal education. Select an item or product used in a healthcare organization and describe how you would calculate the break-even point.

  Process average differs from target value

A run chart is developed that confirms process stability. The level of significance is chosen to be 0.01. (a) Is there evidence to suggest that the process average differs from the target value?

  Solving problem using the p-value

In a research report, Richard H. Weindruch of the UCLA Medical School claims that mice with an average life span of 32 months will live to be about 40 months.

  Probability of choose a password for a certain website

Fred needs to choose a password for a certain website. Assume that he will choose an 8-character password, and that the legal characters are the lowercase.

  Mean and standard deviation of total winnings

You play twice. Assuming the plays are independent events, what are the mean and standard deviation of your total winnings?

  Advantages and disadvantages of index numbers

What are the advantages and disadvantages of index numbers

  What is a probability density function

What is a probability density function and how is it relevant to the determination of probabilities associated with a continuous random variable?

  Potential survey questions

According to Utts, which of the components was considered a 'major problem'?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd