Purchase Solution

Confidence level and sample data

Not what you're looking for?

Ask Custom Question

Use the confidence level and sample data to find a confidence interval for estimating the population mean m.

Test scores: n = 101, x-bar = 96.8, sigma = 8.3, 99 percent confidence

Purchase this Solution
Solution Summary

Solution shows how to determine confidence interval.

Solution Preview

As we are developing confidence interval based on sample data, first we need to calculate standard error. Standard error is similar to standard ...

Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

View More Free Quizzes
Related BrainMass Solutions

  • Confidence Interval Estimate Between Means

    Using the following data, construct a 95% confidence level interval estimate for the difference between the mean of Data1 and Data2.

  • Interval Estimation & Margin of Error

    Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p.

  • Descriptive Statistics Interpreting Data Sets

    Confidence interval for population mean is given by the formula Details 90% Confidence interval Confidence Interval Estimate for the Mean Data Sample Standard Deviation 1.09948E+12 Sample Mean 439067701244 Sample Size 42 Confidence Level

  • Confidence interval

    Perform the same tests and describe how your conclusions would differ. ** Please see the attached file for the complete solution response ** Details A. 95 % Confidence Interval , sample size 30 Confidence Interval Estimate for the Mean Data

  • Confidence interval for mean

    The confidence interval is given by Confidence Interval Estimate for the Mean Data Sample Standard Deviation 2900 Sample Mean 35000 Sample Size 28 Confidence Level 95% Intermediate Calculations Standard Error of the Mean 548.0484859

  • Confidence Interval & Sample Size

    Hence when sample size increases, margin of error decreases and vice-versa. 1(c)(i) The sample size is given by where p is 0.32 Sample Size Determination Data Estimate of True Proportion 0.32 Sampling Error 0.03 Confidence Level 95%

  • Confidence Interval for Mean: Baseball Data

    B) Develop a 95 percent confidence interval for the mean number of errors committed by each team Confidence Interval Estimate for the Mean Data Sample Standard Deviation 13.81174746 Sample Mean 98.83333333 Sample Size 30 Confidence Level 95%

  • Confidence interval for mean

    Confidence Interval Estimate for the Mean Data Population Standard Deviation 11 Sample Mean 54 Sample Size 755 Confidence Level 90% Intermediate Calculations Standard Error of the Mean 0.400330989 Z Value 1.64485363 Interval Half Width

  • Confidence interval for mean and proportion

    Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p: n = 60, x = 19, 95 percent. 10. Use the confidence level and sample data to find the margin of error E.

  • Finding a confidence Interval

    Probability and statistics : Finding a confidence Interval Use the given confidence level and sample data to find a confidence interval for estimating the population mean m 1.

View More Related Solutions