Discuss validity of central limit theorem

Assignment Help Basic Statistics
Reference no: EM1393357

Critically discuss the Central Limit Theorem? How large should the sample size be if the underlying distribution of the population values are:

a. Normally distributed (discuss).

b. Non-normally distributed. (discuss)

2. What is the difference, if any, between the standard deviation of the sample and the standard error of the mean? Discuss

Reference no: EM1393357

Questions Cloud

Probability and fail to reject the null hypothesis : An environmentalist estimate that the mean waste recycle by adults in the country is more than 1 pound per person per day. You want to test this claim, you find that the mean waste recycled per person per day for a random sample of adults in the c..
Determination in regression analysis : What is the percentage of variation in the dependent variable explained by the variation in the independent variable.
How communication influenced if information revealed : When we communicate we reveal information about ourselves to people we communicate with. How is communication influenced if we reveal too much information?
Correlation coefficient for absenteeism and age : A personnel manager for a large corporation feels that there may be a relationship between absenteeism and age and would like to use the age of a worker to develop a model to predict the number of days absent during a calendar year.
Discuss validity of central limit theorem : Critically discuss the Central Limit Theorem? How large should the sample size be if the underlying distribution of the population values are:
Critical values and identify the rejection regions : Find the critical values and identify the rejection regions. Calculate d and sd. Use the t-test to find the standardized test statistic t. decide whether to reject or fail to reject the null hypothesis.
Explain social responsibility activities and contributions : Social responsibility activities and contributions are mandated legally for large multinational global corporations by the World Bank and the United Nations.
Critical values for the alternative hypothesis : Use the t-distribution table to find the critical values for the indicated alternative hypothesis, level of significance, a and sample size n1 and n2. Assume that the sample are independent, normal and random. Ha: u1
Compute the resulting ph : Suppose if equal amounts of Na2HPO4 and NaH2PO4 are mixed in water, compute the resulting pH. The pKas of phosphoric acid are 2.1, 7.2, 12.4.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Goup or class midpoints in the formula

Calculate the standard deviation for this data = since it is a case of grouped data with classes. use group or class midpoints in the formula in place of x values.

  Knowing the mean score for a certain quiz in a statistics

Make a List of type of possible errors. Assume that you were interested in knowing the mean score for a certain quiz in a statistics class.

  Developing three regression models

Develop three regression models to predict the selling price based upon each of the other factors individually. Which of these is best?

  What is the probability a subscriber will spend for journal

The average time a subscriber spends reading the Wall Street Journal is 49 minutes. Assume that the standard deviation is 16 minutes and the time are normally distributed .

  Sample of individuals age

The following show the hours of sleep on weeknights for a sample of individuals age 49 and younger and for a sample of individuals age 50 and older.

  Hypothesis test for one-way analysis of variance

Is there evidence to suggest a difference in the mean waiting times at the four body shops?

  Finding the value of correlation and regression equation

Determine and record how much of the math grade can be explained by the PE grade? How much of the Writing grade can be explained by the Reading grade?

  Calculate p(c)

The events are defined as follows: Let A be the event that the player selected has a number from 1 to 8. Let B be the event that the player selected is a guard. Let C be the event that the player selected is a forward. Let D be the event that the pla..

  Similar automobile insurance coverage

We suspect that automobile insurance premiums (in dollars) may be steadily decreasing with the driver's driving experience (in years), so we choose a random sample of drivers who have similar automobile insurance coverage and collect data about th..

  Computing and interpreting suitable measure of association

Draw the suitable 2x2 table, compute and interpret suitable measure of association.

  Confidence interval around the mean

Compute the 95% confidence interval around the mean of each of the three groups and plot the confidence interval in the space provided above.

  Determining marginal probability distributions

Determine marginal probability distributions of X and Y . Compute conditional probability P ( Y = 2 | X = 1)

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