Fundamentals
Expected Values
Hypotheses
Assumptions
Conclusions
100

The null hypothesis for a Chi-Square Test for Independence

What is H0: the two variables are independent?

100

The expected count for 6th Graders with sports as their goals

What is (135*69)/335 = 27.80597015?


100

The symbol is used to represent the significance level

What is alpha?

100

For a chi-squared GOF test, observed cell counts are based on

What is a random sample?

100

the relationship between the p-value and the alpha level when we reject the null hypothesis?

What is the p-value is less than the alpha level?

200

The requirement for the size of a sample to apply a Chi-Square Test?

What is at least 80% of expected values are over 5?

200

The expected count for men who have not taken an online course

What is (176*106)/314 = 59.41401274?

200

The 3 most common significance level values

What is 0.1, 0.05, and 0.01?

200

For a chi-squared GOF test,  ___% of the expected cell counts should be at least 5

What is 80%?

200

The relationship between the p-value and the alpha level when we fail to reject the null hypothesis?

What is the p-value is greater than the alpha level?

300

the calculation for degrees of freedom

What is (# of rows - 1)(# of columns -1) = df?

300

The expected count for Plastics in Location 2

What is (200*250)/600 = 83.333333?

300

The independence of the null hypothesis for a chi-squared independence test with two variables (Hint: is it independent or not independent?)

What is independent?

300

As a condition for the chi-squared statistic, the sample should be less than ____% of the population.

What is 10%?

300

We can safely accept the null hypothesis (T/F)

What is false? (we can only reject the null hypothesis)

400

The equation to calculate a cell’s expected count

What is (Row Total * Column Total) / Total?

400

The expected count for Men who Agree

What is (79*93)/162 = 45.35185185?

400

The alternative hypothesis for a chi-squared GOF test of proportions

What is Ha: at least one population proportion differs from the hypothesized proportion?

400

As a condition for the chi-squared statistic, all expected counts must be greater than

What is 1?
400

If the data is independent, it has ___ association and we ___ the null hypothesis.

What is no; fail to reject?

500

The equation to calculate the Chi-Square value

What is ?

500

The expected count for Women with Cats

What is (438*473)/962 = 215.3575884?

500

 The alternative hypothesis for "Are fears independent of gender for US teens?"

What is fears are not independent from gender for U.S. teens?

500

As a condition for the chi-squared statistic, the data (observed counts) consists of independently chosen random samples OR ______

What is random assignment of treatments

500

When making conclusions, ________ [AAIC].

What is ALWAYS ANSWER IN CONTEXT?