Evidence of difference in proportion of dvds purchased

Assignment Help Basic Statistics
Reference no: EM13110293

Purchased  Mailing  E-Mail   Total
Yes              26      11        37
No               227    247     474
Total            253    258     511

At 0.05 level significance, is there evidence of the difference in proportion of dvds purchased on basis of the kind of media used (Mailing, E-Mail)?

Reference no: EM13110293

Questions Cloud

Mean number of calories in popcorn : In an article appearing in Today's Health a writer states that the average number of calories in a serving of popcorn is 75. To determine if the average number of calories in a serving of popcorn is different from 75
Determine maximum and minimum dollar amount : Determine the maximum and minimum dollar amount spent per week for middle 50% of one-person households. Suppose that standard deviation is$5 and variable is normally distributed.
Explain what part of the brain stimulates breathing : What triggers your body to take a breath? Surprisingly, blood oxygen levels are not the most influential factor. Explain what part of the brain stimulates breathing and what aspects of body chemistry are important in controlling the rate and depth..
What is the new equilibrium quantity and price : What is the new equilibrium price and what is the new equilibrium quantity, how many bags were oranges being overproduced before?
Evidence of difference in proportion of dvds purchased : At 0.05 level significance, is there evidence of the difference in proportion of dvds purchased on basis of the kind of media used (Mailing, E-Mail)?
Find the energy necessary to make this storage product : Glycogen is a polymer, so it has more energy than an equivalent number of glucose molecules. How does the cell find the energy necessary to make this storage product?
Explain logos, ethos and pathos : Explain what Logos, Ethos and Pathos are and their relevance to being understood. Also discuss their preferred order of use.
Difference in mean selling price of homes : Conduct a test at the .05 level of significance to determine if there is any difference in the mean selling price of new homes in Omaha versus Kansas City.
Compare the life cycles of rna and dna viruses : Describe the process of DNA replication and the importance of DNA complemetary base pairing to that process. Why is this process called "semi-conservative"?

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the research design and its variables

A sample of patients for one busy primary care practice is used as the comparison group. What is the research design and its variables?

  What is deceptive about the bar graph

There is a statistical deception here. Explain what is deceptive about the bar graph.

  Interpret the decision regarding the null hypothesis

At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? Compute the value of the test statistic.

  Determine strong negative and strong positive correlation

What is the difference between strong negative and strong positive correlation? What does zero correlation tell you? Can you share a relationship between two variables that is typically negative?

  Confidence interval for mean weight of mm candies

A quality control engineer wanted to estimate the mean weight (in grams) of M&M candies being produced on a certain machine in the factory. After collecting an appropriate random sample of M&M candies, he obtained the following weights:

  Critical path and project completion time

Determine the critical path and project completion time.

  Absolute value of difference between face values

A pair of dice is tossed once. Let X denote the sum of the face values, and let Y denote the absolute value of the difference between the face values.

  Determining probability that fare will exceed a range

Based on this information, determinethe probability that specific fare will exceed $15.00?

  Binomial distribution introduction

What is the likelihood all four of the selected flights arrived within 15 minutes of the scheduled time?

  Determining probability of tournament

It is estimated that 3% of the athletes competing in a large tournament are users of an illegal drug to enhance performance. The test for this drug is 90% accurate.

  Kruskal-wallis rank test

The Kruskal-Wallis rank test is a nonparametric replacement - The Wilcoxon rank sum test tests a null hypothesis

  Multiple choices based on regression analysis

Multiple choices based on regression analysis - how much or how many but instead is assigned values to represent categories

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