A 95 percent confidence interval estimate for the

Assignment Help Basic Statistics
Reference no: EM13603053

The management of a department store is interested to estimate the difference in the amount of money spent by female and male shoppers. You are given the following information.


Female Shoppers Male Shoppers
Sample size 64 49
Sample mean $140 $125
Population standard deviation $10 $8

A 95 percent confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is:

1. 11.68 to 18.32
2. 49 to 64
3. 8 to 10
4. 125 to 140

Reference no: EM13603053

Questions Cloud

Under the periodic inventory system village fabrics : under the periodic inventory system village fabrics purchased 25 yards of blue plaid fabric at a cost of 2.00 per yard
Determine the stress in ab and bc as well as the : the gap at c is initially 0.15mm before load p is applied. for p200kn the gap will close. determine the stress in ab
The tan corporation uses multicolor molding to make plastic : the tan corporation uses multicolor molding to make plastic lamps. the molding operation has a capacity of 200000
Based only on the information provided for each scenario : 1. based only on the information provided for each scenario determine whether eddy or scott will benefit more from
A 95 percent confidence interval estimate for the : the management of a department store is interested to estimate the difference in the amount of money spent by female
How to caclulate the balance sheet amount for bonds payable : how to caclulate the balance sheet amount for bonds payable and interest payable for the dec 31 2012 balance sheet
O nov 30 the end of the current fiscal year the following : on nov. 30 the end of the current fiscal year the following information is available to assist caruso companys
John byers owns and operates byers building supplies the : john byers owns and operates byers building supplies. the following information was taken from his financial
In 2007 15000 shares were authorized and 7000 shares of : the following is a summary of all relevant transactions of jackson day corporation since it was organized in 2007.in

Reviews

Write a Review

Basic Statistics Questions & Answers

  Six hundred consumers were asked whether they would like to

question six hundred consumers were asked whether they would like to purchase a domestic or a foreign automobile. their

  Why rates be more meaningful as measure of change

Explain why those rates may be more meaningful as a measure of change across time than the actual numbers of those events.

  Test for independent means

Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.

  Determining frequency distribution and histogram

Construct a frequency distribution and construct a histogram for the following data and use seven intervals, starting with 30-39.

  Description of confidence interval-population proportion

The proportion of drivers who use seat belts depends on things like age, gender, ethnicity, and local law. As part of a broader study, investigators observed a random sample of 117 female hispanic drivers in Boston

  Find the probability that the response time

The response time for Denver police to respond to emergency calls is 8.4 minutes with a standard deviation 1.7 find the probability that the response time for a call between 5 and 10 minutes.

  Margin of error for the estimation

You want to create a 90% confidence interval for the true average number of yards per game he throws. What is the margin of error for this estimate?

  Find probability that item was produced by machine two

1 per cent produced by Machine 2 were defective. If an item selected at random is found to be defective, what is the probability that it was produced by Machine 2.

  Determine that none of the employees are absent

Determine the probability of randomly selecting 10 production employees on hot summer day and determining that none of them are absent?

  If you flip a coin three times the possible outcomes are

q1. for the following questions would the following be considered significant if its probability is less than or equal

  To get a c in history nandan must average 74 on four tests

to get a c in history nandan must average 74 on four tests. scores on the first three tests were 69 74 and 65. what is

  Dvd rental store problem

A DVD rental store wants to know what proportions of its customers are under age 21. A simple random sample of 500 customers was taken, and 375 of them were under age 21. Presume that the true population proportion of customers under age 21 is 0.6..

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