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Chi-squared practice

Chi-squared practice

Assessment

Flashcard

•

Mathematics

•

11th - 12th Grade

•

Practice Problem

•

Hard

•
CCSS
HSS.IC.B.3, HSS.ID.A.4

Standards-aligned

Created by

Wayground Content

FREE Resource

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16 questions

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1.

FLASHCARD QUESTION

Front

What is the χ² calculated value for the following situation? Options: 6.65, 6.66, 0.00991, 1

Back

6.65

2.

FLASHCARD QUESTION

Front

If the χ² critical value = 5.99 and the χ² calculated value = 7.35, what is the conclusion? Options: Reject Ho, accept H1; Accept Ho, reject H1; there is not enough info to decide; The conclusion can only be made if we also know the p-value

Back

Reject Ho, accept H1

3.

FLASHCARD QUESTION

Front

What is the null hypothesis? Options: Injury type is independent of position played; Injury type is dependent on the position played

Back

Injury type is independent of position played

4.

FLASHCARD QUESTION

Front

Find the degrees of freedom. Options: 4, 5, 6, 7

Back

6

5.

FLASHCARD QUESTION

Front

For a p-value from the calculator of 1.32355E-3 what would the conclusion be if testing at 10% significance level? Options: Accept Ho; Reject H1; Reject Ho; Need to know the chi-squared number

Back

Reject Ho

6.

FLASHCARD QUESTION

Front

What does the chi-squared test measure?

Back

The chi-squared test measures how expectations compare to actual observed data.

7.

FLASHCARD QUESTION

Front

What is the formula for calculating the chi-squared statistic?

Back

χ² = Σ((O - E)² / E) where O = observed frequency and E = expected frequency.

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