You want to know if theres an association between college

Assignment Help Basic Statistics
Reference no: EM13616311

You want to know if there's an association between college students' spring breakdestinations and what year they're in. You take a random sample of 405 college students and record the following data:

Amusement Parks Mexico Home Other

Freshman 23 21 43 21

Sophomore 34 23 14 26

Junior 25 30 23 26

Senior 27 33 17 19

A. Set up the null and alternative hypothesis.

B. What are your degrees of freedom?

C. Using your T-­83, compute the expected values for each cell.

D. Will a chi­square hypothesis test of independence be valid in this situation? Explain.

E. What are your test statistic (X^2) and P-­value?

F. What can you conclude if alpha(a) = .01

Reference no: EM13616311

Questions Cloud

A pharmaceutical company receives large shipments of : a pharmaceutical company receives large shipments of aspirin tablets. the acceptance sampling plan is to randomly
Art students are registered for the same class and attend : art students are registered for the same class and attend independently of each other.student a 80 of the timestudent b
An airline is interested in determining the proportion of : an airline is interested in determining the proportion of its customers who are flying for reasons of business. if the
A refrigerated delivery truck has a load of perishable : a refrigerated delivery truck has a load of perishable goods worth 10000. if the refrigeration unit is not cold enough
You want to know if theres an association between college : you want to know if theres an association between college students spring breakdestinations and what year theyre in.
At a track and field tournament freds long jumps vary : 1. at a track and field tournament freds long jumps vary evenly from 6.5 to 7.2 meters. let x be the length of freds
Compute the mean of sample proportion of smokers compute : in a community 40 of the population is smoker. i randomly choose 60 residents from that community and ask if each of
The lifetime in hours of a certain kind of radio tube is a : the lifetime in hours of a certain kind of radio tube is a random variable with the probability density function given
Compute the probability that the sample proportion of : in a community 40 of the population is smoker. i randomly choose 60 residents from that community and ask if each of

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing hypothesis that calories of two populations equal

Test hypothesis that calories of two populations are equal.  Illustrate all steps of the hypothesis testing process.  Points will be deducted for missing parts.

  Finding degree of confidence for interval

Use value you found in part a to find out degree of confidence for interval 65.65

  Is it suitable to conclude strong evidence for office work

The mean time for these workers is = 39.8 seconds and the -value less than 0.0001. It is appropriate to conclude which of the following?

  Describe effect of outlier-extreme value-confidence interval

Change the last number from 257 to 61 and recalculate the confidence interval. Using the results, describe the effect of an outlier or extreme value on the confidence interval.

  Z test for mean lifetime

A manufacturer claims that the mean lifetime, , of its light bulbs is 49 months. The standard deviation of these lifetimes is 9 months. Seventy bulbs are selected at random, and their mean lifetime is found to be 46 months.

  Find the expected value variance and standard deviation of

q1. consider an investment portfolio of 50000 in stock a and 50000 in stock b. the expected value of a is 9.5 and b is

  First part of this theorem allows a problem solver

First part of this theorem allows a problem solver to compute probabilities about sample means regardless of whether a population is normally distributed.

  Different combinations of the clients for limited schedule

How many different combinations of the clients could be considered for inclusion into his limited schedule for that day?

  Assume john is conducting a one-way anova with three groups

assume john is conducting a one-way anova with three groups. naturally he specifies the null hypothesis as

  A national grocers magazine reports the typical shopper

a national grocers magazine reports the typical shopper spends six minutes in line waiting to check out. a sample of 16

  Confidence level-mean number of hours students spent working

Standard deviation of 11.6 hours. what is the 99% confidence level for the mean number of hours that the population of high school students spent working each week?

  Stated or implied research question

Choose an article that explains research using one or more statistical tests (z, t, ANOVA, chi square, regression) as part of data analysis. Explain the study using the following information:

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