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BESC 3010 Exam 2 (1-8) Questions with Correct Answers

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Categorical variable - Answer-Indicates different categories. Ex: gender, college major etc. Nominal variable - Answer-The variable consists of names of categories. The coding system is arbitrary. Ordinal variables - Answer-Indicates first, second, third, etc. rank variables. Quantitative ...

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BESC 3010 Exam 2 (1-8) Questions with
Correct Answers
Categorical variable - Answer-Indicates different categories. Ex: gender, college major
etc.

Nominal variable - Answer-The variable consists of names of categories. The coding
system is arbitrary.

Ordinal variables - Answer-Indicates first, second, third, etc. rank variables.

Quantitative variables - Answer-You can measure the size of the differences between
scores and not just that they are different. Divided into interval and ratio.

Interval variable - Answer-They indicate the size of the difference between scores but
they don't have a zero starting point. ( IQ or temperature)

Ratio variable - Answer-Have definite zeros that indicate the complete absence of
something.

In a sample of women, the # of children that each woman has is an example of which
levels of measurement? - Answer-Ratio

Military ranks are an example of what level of measurement? - Answer-Ordinal

Gender is an example of what level of measurement? - Answer-Nominal

A sample is part of a larger... - Answer-Population

A bivariate analysis typically focuses on... - Answer-The association of two variables

Inferential statistics are typically contrasted with what statistics? - Answer-Descriptive

Which is a defining characteristic of experiments? - Answer-Manipulations

The respondents gender is typically recorded a what kind of variable? - Answer-Nominal

In an experiment, the variable that the researcher manipulates is called the (blank)
variable - Answer-Independent

A variable that classifies people into racial or ethnic groups is what level of
measurement? - Answer-Nominal

Which level of measurement has a true zero point? - Answer-Ratio

,The # of students enrolled in a school each year is an example of which level of
measurement? - Answer-Ratio

The variable that is measured as the outcome in an experiment is called the (blank)
variable? - Answer-Dependent

Temp. Is measured at which level of measurement? - Answer-Interval

The amount of time that a person spends on social media each week in minutes is what
kind of variable? - Answer-Ratio

If the # of games a team has lost in a season is subtracted from the # of games won
that season, the resulting variable would be at what level of measurement? - Answer-
Interval

The only level of measurement that does not place scores or categories into order ( and
is therefore the lowest level of measurement) is what? - Answer-Nominal

The highest level of measurement ( the one that contains the most information) is what?
- Answer-Ratio

If a persons sex is coded as male=1 or female=0, then the variable is at what level of
measurement? - Answer-Nominal

If a person's sex is recorded as male or female then the variable is at what level of
measurement? - Answer-Nominal

A question that asks a person which religion they identify with is at what level of
measurement? - Answer-Nominal

A question that asks a person how strong their motivations for religious participation are
using a 1-7 scale is at what level of measurement? - Answer-Interval

A question that asks how many times a person attends religious services each year is at
what level of measurement? - Answer-Ratio

For a study to be considered an experiment it must have - Answer-A manipulation

In an experiment that looks at the effect of different teaching methods on student
learning, the independent variable is - Answer-Teaching method

If a web marketer compares the effectiveness of two online ads in getting click by
gathering data from 3 million Internet shoppers, the population of interest is? - Answer-
All internet shoppers

, A population can never be - Answer-Smaller than one of its samples

A univariate analysis typically focuses on - Answer-One variable at a time

A question that asks whether a person believes they are more creative, less creative, or
just as creative as other people is at what level of measurement? - Answer-Ordinal

A variable that records how many seconds it takes for a person to spell a word
backwards is at what level of measurement? - Answer-Ratio

A scores frequency is determined by? - Answer-How often it occurs in the data set.

Which type of chart would be most appropriate for a nominal variable? - Answer-Bar
graph

A distribution such as income that has most of the people at the bottom or middle but a
few people with extremely high scores is referred to as... - Answer-Positively skewed

A distribution with two distinct peaks can be described as - Answer-Bimodal

A histogram is appropriate when the data are... - Answer-Quantitative

One visual difference between a bar chart and a histogram is that in a histogram.... -
Answer-The adjacent bars touch but in a bar chart they are sperate.

A normal distribution has a value of skew ness that is ... - Answer-Near zero

A frequency bar graph would be most appropriate for which measurement scales? -
Answer-Nominal or ordinal

The normal distribution is... - Answer-Mesokurtic

Which measure of central tendency works for nominal variables? - Answer-Mode

Which measure of central tendency is most appropriate for skewed distributions? -
Answer-Median

When a histogram or polygon chart for a quantitative variable has two distinct peaks
then the distribution us referred to as... - Answer-Bimodal

The three most common measures of central tendency are: - Answer-Mean, median,
mode

What is the minimum level of measurement needed to calculate the mode? - Answer-
Nominal

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