# QNT 275 Week 5 Practice Set

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QNT 275 Week 5 Practice Set

https://zh.scribd.com/document/343514565/Uop-Tutorial

# QNT 275 Week 5 Practice Set

Complete the Week 5 Practice Set problems.

Click the Assignment Files tab to submit your assignment.

Practice Set 5

# Practice Set 5

1. This distribution has only one parameter. The curve is skewed to the right for smalldf and

becomes symmetric for large df. The entire distribution curve lies to the right of the vertical

axis. The distribution assumes nonnegative values only

1. t distribution

1. Normal distribution

1. Chi-square distribution

1. Linear regression.

1. Find the value of x2 for 12 degrees of freedom and an area of .025 in the right tail of the chi-

square distribution curve. What is the value of chi-square? Round to three decimal places

1. Determine the value of x2 for 14 degrees of freedom and an area of .10 in the left tail of the

chi-square distribution curve. What is the value of chi-square? Round to three decimal places

1. Determine the value of x2 for 23 degrees of freedom and an area of .990 in the left tail of the

chi-square distribution curve. What is the value of chi-square? Round to three decimal places.

1. Α ____________ compares the observed frequencies from a multinomial experiment with

expected frequencies derived from a certain pattern or theoretical distribution. The test

evaluates how well the observed frequencies fit the expected frequencies.

1. Goodness-of-fit test

1. Chi-square test

1. Linear regression

1. The __________ are the frequencies obtained from the performance of a

multinomial experiment. The expected frequencies are the frequencies that we expect to obtain

if the null hypothesis is true.

1. Observed frequencies

1. Expected frequencies

1. Fluctuating frequencies

# x

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