An analyst at a local bank wonders if the age distribution of customers coming for service at

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An analyst at a local bank wonders if the age distribution of customers coming for service at his branch in town is the same as at the branch located near the mall. He selects 100 transactions at random from each branch and researches the age information for the associated customer.
Here are the data:
An analyst at a local bank wonders if the age

a) What is the null hypothesis?
b) What type of test is this?
c) What are the expected numbers for each cell if the null hypothesis is true?
d) Find the x2 statistic.
e) How many degrees of freedom does it have?
f) Find the critical value at α = 0.05.
g) What do you conclude?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Business Statistics

ISBN: 9780321925831

3rd Edition

Authors: Norean Sharpe, Richard Veaux, Paul Velleman

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