Question 1

Researchers use __________ to draw statistical conclusions that go beyond the numbers actually collected in the research.

Accepted Answer

The answer of Researchers use __________ to draw statistical conclusions...

Question 2

When making a frequency table, the values are listed in the first column and the __________ for each value is listed in the second column.

Accepted Answer

The answer of When making a frequency table, the values...

Question 3

The third column of a frequency table usually contains __________.

Accepted Answer

The answer of The third column of a frequency table...

Question 4

A test of social skills is administered to all professors at a local college. The __________ of a particular professor is 81.

Accepted Answer

The answer of A test of social skills is administered...

Question 5

Equal-interval and rank-order variables are both __________ variables.

Accepted Answer

The answer of Equal-interval and rank-order variables are both __________...

Question 6

If you suffer from test anxiety, some useful advice is to:

Accepted Answer

Overpreparing for tests can help build confidence and reduce anxiety. Learning proper breathing techniques can help calm the body and mind during a test. Creating a practice test situation that is similar to the real test can help familiarize oneself with the test format and reduce anxiety on test day. Therefore, all of the above choices are useful advice for individuals with test anxiety.

Question 7

According to the table, what is the total number of patients in this sample who suffer from motor problems?

Accepted Answer

The answer of According to the table, what is the...

Question 8

Another name for an ordinal variable is a(n)__________ variable.

Accepted Answer

The answer of Another name for an ordinal variable is...

Question 9

When a distribution is heavy-tailed it means that:

Accepted Answer

A heavy-tailed distribution has a flat appearance with many scores at the extremes (tails).

Question 10

A listing that shows how many times each value of a variable occurs among a particular group of scores is called a(n)__________.

Accepted Answer

The answer of A listing that shows how many times...

Question 11

A frequency table is most likely to be included in a research article when:

Accepted Answer

Frequency tables are most commonly used when analyzing nominal variables. Nominal variables are variables that only have categories or labels as their values, without any numerical significance. A frequency table helps to display the number of times each category appears in the data set, making it easier to understand and interpret the data.

Question 12

A business researcher set up a __________ that lists the number of employees for each level of earnings, from the level of $80,000-99,999, going down to the level of $20,000-29,999.

Accepted Answer

The answer of A business researcher set up a __________...

Question 13

On a measure of social skills, the difference between scores of 6 and 7 has the same meaning as a difference between scores of 25 and 26. This measure is considered a(n)__________ variable.

Accepted Answer

The answer of On a measure of social skills, the...

Question 14

Which of the following is supported by research cited in your text?

Accepted Answer

Research cited in the text indicates that women generally do as well as men in statistics classes.

Question 15

Research by Wolf, Van Doorn, and Weissing (2008)indicates that high sensitivity, reactivity, or responsiveness:

Accepted Answer

The research by Wolf, Van Doorn, and Weissing (2008) suggests that high sensitivity, reactivity, or responsiveness is an innate trait found in about 15-20% of humans, and is related to a tendency to reflect before acting and to have strong emotional reactions to events. Therefore, all of the above options are correct.

Question 16

According to the table, what is the most common types of cognitive problem faced by Alzheimer's disease patients?

Accepted Answer

The table shows that memory problems are the most common type of cognitive problem faced by Alzheimer's disease patients, with over 90% of patients experiencing this symptom. Motor problems, language problems, and attentional problems are also present but to a lesser extent.

Question 17

In some cases, researchers describe a distribution in terms of whether its tails have many or few scores in them. This aspect of the shape of a distribution is known as:

Accepted Answer

The aspect of the shape of a distribution that describes whether its tails have many or few scores in them is known as kurtosis. This is because kurtosis measures the degree of peakedness or flatness in the distribution, and a distribution with many scores in its tails will have a higher kurtosis value than one with few scores in its tails. The other options (symmetry, z-transformation, queue) do not directly relate to this aspect of the shape of a distribution.

Question 18

In a study of hospitalized psychiatric patients, the __________ of interest is how well the patients can take care of their rooms, as rated by the nurses on a scale of 0 to 7.

Accepted Answer

The answer of In a study of hospitalized psychiatric patients,...

Question 19

The type of transportation a person uses to get to work (e.g., car, bus)is an example of a(n)__________ variable.

Accepted Answer

The answer of The type of transportation a person uses...

Question 20

Social scientists use __________ to summarize and make understandable a group of numbers collected in a research study.

Accepted Answer

The answer of Social scientists use __________ to summarize and...

Quiz 1: Displaying the Order in a Group of Numbers Using Tables and Graphs