Difference between the proportion of males and females

Assignment Help Basic Statistics
Reference no: EM131996479

Suppose a sample of 1000 adults was asked? "Do you buy clothes from your mobile? device?" and the results are summarized in the table to the right. Complete parts? (a) through?(c) below.

Male Female Total Buy clothes from their mobile device

Yes 225 275 500

No 275 225 500

Total 500 500 1000

Is there evidence of a significant difference between the proportion of males and females who say they buy clothing from their mobile devices at the 0.005 level of? significance?

Calculate the test statistic

χ2STAT= ?(Round to three decimal places as? needed.)

Determine the? p-value in? (a) and interpret its meaning.

Reference no: EM131996479

Questions Cloud

Problem that can be solved with the equation : Make up your own problem that can be solved with the equation P(A or B) = P(A) + P(B) - P(A and B). State the problem and show all calculations.
At what rate of interest should jane use : Jane Construction Company is building an office building for speculative purposes. At what rate of interest should Jane use, if any, to capitalize any interest
Calculate the capital structure weights : The stock of IMB Computing sells for $52, and last year's dividend was $2.10. A flotation cost of 10% would be required to issue new common stock.
Make up own lottery problem : Make up your own lottery problem where given numbers (digits) are drawn and all n numbers must exist for a win.
Difference between the proportion of males and females : Is there evidence of a significant difference between the proportion of males and females who say they buy clothing from their mobile devices at the 0.005 level
Prepare the journal entries on first trust books on december : Vargo Corp. owes $308,000 to First Trust. The debt is a 10-year, Prepare the journal entries on First Trust's books on December 31, 2014, 2015, 2016
Calculate the intrinsic value of the call option : A stock is currently selling for $76 per share. You could purchase a call with a strike price of $70 for $8.
What is the arithmetic average return for these three years : Stock A exhibits the following yearly returns: Year 1 = 30%; Year 2 = -40%; Year 3 = 30%.What is the arithmetic average return for these three years?
Find the? p-value at an? alpha-level of alpha : Find the? p-value at an? alpha-level of alpha equals 0.01.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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