Math Grade 8 Quiz Patterns of Association in Bivariate Categorical Data - 8.SP.A.4 | Tutorified.com Quizzes

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Math Grade 8 Quiz Patterns of Association in Bivariate Categorical Data – 8.SP.A.4

This standard, focuses on understanding patterns of association in bivariate categorical data by using two-way tables. The data presented in these tables often comes from two categorical variables that have been gathered from the same group of individuals. By calculating and analyzing relative frequencies, one can infer possible associations between these two variables.

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Question 1 of 10

1. Question
What does a two-way table display?
- A) Data on one categorical variable.
- B) Data on two categorical variables.
- C) Data on one quantitative variable.
- D) Data on two quantitative variables.
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Question 2 of 10

2. Question
Which term describes the proportion of times a category occurs compared to the total number of observations?
- A) Absolute frequency
- B) Relative frequency
- C) Mean frequency
- D) Median frequency
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Question 3 of 10

3. Question
What can relative frequencies in a two-way table help determine?
- A) The total number of subjects surveyed.
- B) The relationship between two categorical variables.
- C) The mean value of a dataset.
- D) The median value of two datasets.
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Question 4 of 10

4. Question
If a high relative frequency is observed for students who both have chores and curfews, what can be inferred?
- A) Most students neither have chores nor curfews.
- B) There's a possible association between having chores and having a curfew.
- C) There's no relation between having chores and having a curfew.
- D) Most students have chores but not curfews.
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Question 5 of 10

5. Question
Which of the following is a categorical variable?
- A) Height of a person
- B) Favorite color
- C) Age
- D) Weight
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Question 6 of 10

6. Question
In a two-way table, what is the significance of the data in the margins?
- A) They show relative frequencies.
- B) They show the totals for each row and column.
- C) They indicate missing data.
- D) They show outliers in the data.
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Question 7 of 10

7. Question
If two categories have similar relative frequencies, it suggests:
- A) A strong positive association.
- B) A strong negative association.
- C) No significant association between the categories.
- D) An outlier in the data.
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Question 8 of 10

8. Question
Why is it important to consider both frequencies and relative frequencies in a two-way table?
- A) To detect patterns and associations between variables.
- B) To calculate the mean and median.
- C) To create a histogram.
- D) To determine the sample size.
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Question 9 of 10

9. Question
If the relative frequency of students who play sports and also study for more than 2 hours a day is high, what might be inferred?
- A) Students who study more tend to play sports.
- B) Studying affects the ability to play sports.
- C) Sports prevent students from studying.
- D) Most students neither play sports nor study.
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Question 10 of 10

10. Question
What is the primary purpose of using two-way tables for bivariate categorical data?
- A) To calculate mean and standard deviation.
- B) To plot scatter plots.
- C) To analyze and interpret relationships between two categorical variables.
- D) To determine the sample size.
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