Determining point estimate and standard error

Assignment Help Basic Statistics
Reference no: EM1319459

Q1) As MSU student, you would like to know average grade point average (GPA) for all students enrolled in MSU in spring semester of 2007.  You make a decision to take a sample of 200 students who were enrolled at MSU in spring semester of 2007 and ask them each what their GPA is.  Mean of this sample is 2.71 with sample standard deviation of .55.  What is range of values within which you can be 99% certain that mean GPA of all students enrolled in MSU in spring semester of 2007 falls?  Mention your conclusion in one complete sentence.

Q2) A researcher at MSU reported that according to her sample, college graduate students at MSU take have average of 7.1 sexual partners with sample standard deviation of 3.4.  N of this study was 4396.

i) Determine the point estimate in this study?

ii) Compute the standard error in this example?

iii) What is the population in this example?

Reference no: EM1319459

Questions Cloud

Prefer mangoes to cantaloupe then draw my highest : If my preferences are such to I am indifferent among apples also mangoes but I prefer mangoes to cantaloupe then draw my highest indifference curve.
Process capability index using x bar chart : Following data from an x bar chart, is the process capable (capability index>1.33)?
Studying about the network attack : Describe how a network attacker (an active attacker that can intercept or forge network packets, etc.) could steal secure google.com cookies.
Specific recommendations for firm : List your specific recommendations for the firm in detail. Explain why each recommendation was made including the information used and the logic (or analysis) applied to reach your conclusion.
Determining point estimate and standard error : Determine the point estimate in this study? Compute the standard error in this example?
Elucidate how does knowledge of price elasticity : Elucidate how does knowledge of price elasticity among different groups of clients or for various products enable managers to price discriminate or change different prices for these groups.
Drawing 3 sigma x-bar chart and r chart with given values : What control chart(s) would you use for this data and what are the final control limits?
Target customer needs : Your assignment is to help this store in their Hispanic community locations. Using the marketing mix and the promotional mix (make sure you discuss all elements from both in your answer) discuss how you will develop these stores to meet the target..
How the strength of the economy as a whole could affect : Elucidate how the strength of the economy as a whole could affect the marginal benefits also the marginal costs associated with a decision to purchase a home.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining days when percent confidence is given

How many days should be considered if a 95 percent confidence is used and the estimate is to be within one hundred dollars?

  Describing five step hypothesis testing procedure

At the 0.05 level of significance, can we conclude Middletown students remained in their districts less time than Brockton students?  Make use of 5-step hypothesis testing procedure.

  Determining test statistic using equal variances formula

In testing equality of two means below, determine the test statistic?  (Use the equal variances formula)

  Preparation to produce round kitchen tables

Harry and Melissa Jacobson produce handcrafted furniture in a workshop on their farm. They have obtained a load of 600 board feet of birch from a neighbour and are preparation to produce round kitchen tables and ladder-back chairs during the next ..

  Determining evidence to support union-s position

Is this enough evidence to support Union's position?  Use significance level of a = 0.05.  You may suppose the mean annual salaries are normally distributed.

  Estimating probability based on the discrete distribution

The casino game craps is based on rolling two dice. Here is the assignment of probabilities to the sum of numbers on the up face when two dice are rolled:

  Determining average score for erau graduates

Determine the average score for ERAU graduates? Determine the value of test statistic? Significance level?

  Inverse probability on normal-distribution

Where should the warranty limits be set so that only 10% of the TVs need repairs at the manufacturer's expense?

  Theoretical background of one way analysis

This activity is a revision of an activity found in Real Data: A Statistics Workbook Based on Empirical Data by Z. C Holcomb (1997). Published by Pyrczak Publishing.

  Find at least two of them would agree with them

Of the nine members of the board of trustees of a college, five agree with president on a certain issue. The president selects three trustees at random and asks for their opinions. What is the probability that at least two of them would agree with..

  Estimating value of probability of discrete distribution

Determine the event that the sum of the numbers falling uppermost is less than or equal to 7

  Computing probability values using discrete distribution

What is the probability that a particular driver had exactly two speeding violations?

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