Recent questions in Two-way tables

Two-way tables
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IMLOG10ct
2021-11-23

Two-way tables
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Maaghu
2021-11-21

Two-way tables
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vetrila10
2021-11-16

Make a graph that displays the relationship between gender and housing status for the members of the sample. Briefly describe the association.

Two-way tables
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glamrockqueen7
2021-10-16

Two-way tables
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CMIIh
2021-10-14

Two-way tables
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permaneceerc
2021-08-14

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Josalynn
2021-08-14

Two-way tables
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Cabiolab
2021-08-13

Researchers carried out a survey of fourth-, fifth-, and sixth-grade students in Michigan. Students were asked whether good grades, athletic ability, or being popular was most important to them. This two-way table summarizes the survey data.

Suppose we select one of these students at random. What's the probability that: The student is not a sixth grader and did not rate good grades as important?

Two-way tables
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CheemnCatelvew
2021-08-13

The General Social Survey (GSS) asked a random sample of adults their opinion about whether astrology is very scientific, sort of scientific, or not at all scientific. Here is a two-way table of counts for people in the sample who had three levels of higher education:

State appropriate hypotheses for performing a chi-square test for independence in this setting.

Two-way tables
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ringearV
2021-08-13

Researchers carried out a survey of fourth-, fifth-, and sixth-grade students in Michigan. Students were asked if good grades, athletic ability, or being popular was most important to them. The two-way table summarizes the survey data. What is most important?

Identify the explanatory and response variables in this context.

Two-way tables
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ediculeN
2021-08-12

Suppose that each student in a sample had been categorized with respect to political views, marijuana usage, and religious preference, with the categories of this latter factor being Protestant, Catholic, and other. The data could be displayed in three different two-way tables, one corresponding to each category of the third factor. With pijk = P(political category i, marijuana category j, and religious category k), the null hypothesis of independence of all three factors states that

Let nijk denote the observed frequency in cell (i, j, k). Show how to estimate the expected cell counts assuming that H0 is true (

Two-way tables
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York
2021-08-12

Is there a relationship between gender and relative finger length? To investigate, a random sample of 452 U.S. high school students was selected. The two-way table shows the gender of each student and which finger was longer on his or her left hand (index finger or ring finger). State the hypotheses for a test of the relationship between gender and relative finger length for U.S. high school students.

Two-way tables
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nitraiddQ
2021-08-11

Using data from the 2000 census, a random sample of 348 U.S. residents aged 18 and older was selected. The two-way table summarizes the relationship between marital status and housing status for these residents.

Two-way tables
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Dillard
2021-08-10

In 1912 the Titanic struck an iceberg and sank on its first voyage. Some passengers got off the ship in lifeboats, but many died. The following two-way table gives information about adult passengers who survived and who died, by class of travel.

Suppose we randomly select one of the adult passengers who rode on the Titanic. Define event D as getting a person who died and event F as getting a passenger in first class. Find P (not a passenger in first class and survived).

Two-way tables
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sibuzwaW
2021-08-08

Do male and female students have different favorite seasons? The two-way table shows the favorite season and gender for a simple random sample of 89 high school juniors and seniors in the United States from the Census At School database. Is there convincing evidence of an association between gender and favorite season for students like those who participated in the Census At School survey?

Two-way tables
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Kaycee Roche
2021-08-07

A study in Sweden looked at former elite soccer players, people who had played soccer but not at the elite level, and people of the same age who did not play soccer. Here is a two-way table that classifies these individuals by whether or not they had arthritis of the hip or knee by their mid-50s.

Suppose we choose one of these players at random. What is the probability that the player has arthritis?

Two-way tables
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cistG
2021-07-04

Two-way tables
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Kyran Hudson
2021-06-30

A study in Sweden looked at former elite soccer players, people who had played soccer but not at the elite level, and people of the same age who did not play soccer. Here is a two-way table that classifies these individuals by whether or not they had arthritis of the hip or knee by their mid-fifties:

What percent of the elite soccer players developed arthritis? What percent of those who got arthritis were elite soccer players?

Two-way tables
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CoormaBak9
2021-06-27

Mutually exclusive versus independent. The two-way table summarizes data on the gender and eye color of students in a college statistics class. Imagine choosing a student from the class at random. Define event A: student is male, and event B: student has blue eyes.

Copy and complete the two-way table so that events A and B are mutually exclusive.

Regardless of whether you are looking for two-way tables exam questions or got stuck with various tasks based on some equations, you will find all the correct answers here. Since two-way tables questions are encountered by students coming from all disciplines from Physics to Sociology, the use of two-way tables should always focus on displaying the frequencies (both relative and not) for two categorical variables. It is the reason why there are two ways to solve the problem. Our examples are represented by both rows where each column is related to a particular variable.