Purchase Solution

Sampling distribution of sample mean

Not what you're looking for?

Ask Custom Question

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spend studying per week. Based on a simple random sample, they surveyed 144 students. The statistics showed that students studied an average of 20 hours per week with a standard deviation of 10 hours What is the standard error of the mean?
a. 0.83
b. 10
c. 0.5
d. 2

Purchase this Solution
Solution Summary

This solution gives the step by step method for computing Sampling distribution of sample mean

Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

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

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.

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.

View More Free Quizzes
Related BrainMass Solutions

  • Sampling distributions

    Mean of the sampling distribution of sample mean =µ= 20.84 What is the standard deviation of this sampling distribution?

  • A Discussion of Sampling Distribution of the Sample Mean

    78043 A Discussion of Sampling Distribution of the Sample Mean Which of the following is true about the sampling distribution of the sample mean? A. The mean of the sampling distribution is always "u" B.

  • Skewed Distribution and Sampling (Multi Choice)

    Which of the following is correct for the sampling distributions of the sample mean when sample size=9?

  • Statistics

    What is the mean of the sampling distribution of sample means? The mean of the sampling distribution of sample means is the mean of the original population. What is its standard deviation?

  • Sampling Distribution

    calculation of mean and standard deviation of the sampling distribution of sample means.

  • Sampling Distribution of the Sample Mean - Normal Distribution

    108383 Sampling Distribution of the Sample Mean - Normal Distribution State whether the sampling distribution of the sample mean is normally distributed, or approximately normally distributed, or not normally distributed when computed from: a)A sample

  • Calculating the mean and standard error in the given cases

    What is the mean of the sampling distribution of sample size 81? Choose one answer.

  • Statistic Terms & Central Limit Theorem

    the sampling distribution of the mean approaches a normal distribution with a mean (¦Ì) and a variance ¦Ò?N as N, the sample size, increases (http://davidmlane.com/hyperstat/sampling_dist.html).

  • Probability of obtaining a given sample mean

    The sampling distribution of means forms a normal distribution. The mean of sampling distribution of means is equal to population mean. Thus, the mean of our sampling distribution is 110.

  • Sampling distribution of sample mean

    If 40 snowfall amounts are randomly selected, find for the sampling distribution of sample means with samples of size 40. Answer The sampling distribution of sample mean is normal with mean = population and standard deviation = .

View More Related Solutions