The null hypothesis for a Chi-Square Test for Independence
What is H0: the two variables are independent?
The expected count for 6th Graders with sports as their goals
What is (135*69)/335 = 27.80597015?
The symbol is used to represent the significance level
What is alpha?
For a chi-squared GOF test, observed cell counts are based on
What is a random sample?
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?
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?
The expected count for men who have not taken an online course
What is (176*106)/314 = 59.41401274?
The 3 most common significance level values
What is 0.1, 0.05, and 0.01?
For a chi-squared GOF test, ___% of the expected cell counts should be at least 5
What is 80%?
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?
the calculation for degrees of freedom
What is (# of rows - 1)(# of columns -1) = df?
The expected count for Plastics in Location 2
What is (200*250)/600 = 83.333333?
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?
As a condition for the chi-squared statistic, the sample should be less than ____% of the population.
What is 10%?
We can safely accept the null hypothesis (T/F)
What is false? (we can only reject the null hypothesis)
The equation to calculate a cell’s expected count
What is (Row Total * Column Total) / Total?
The expected count for Men who Agree
What is (79*93)/162 = 45.35185185?
The alternative hypothesis for a chi-squared GOF test of proportions
What is Ha: at least one population proportion differs from the hypothesized proportion?
As a condition for the chi-squared statistic, all expected counts must be greater than
If the data is independent, it has ___ association and we ___ the null hypothesis.
What is no; fail to reject?
The equation to calculate the Chi-Square value
What is ?
The expected count for Women with Cats
What is (438*473)/962 = 215.3575884?
The alternative hypothesis for "Are fears independent of gender for US teens?"
What is fears are not independent from gender for U.S. teens?
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
When making conclusions, ________ [AAIC].
What is ALWAYS ANSWER IN CONTEXT?