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Statistics Multiple-Choice Quiz

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Which of the following is a characteristic of a normal distribution curve?

a)

It is skewed to the right.

b)

It has multiple modes.

c)

It is symmetric about the mean.

d)

It touches the x-axis at two points.

2.

In statistics, what term describes a characteristic or attribute that can assume different values?

a)

Data

b)

Variable

c)

Sample

d)

Population

3.

What is the term for the values (measurements or observations) that variables can assume?

a)

Data

b)

Sample

c)

Population

d)

Parameter

4.

Which type of statistics involves generalizing from samples to populations and making predictions?

a)

Descriptive statistics

b)

Inferential statistics

c)

Qualitative statistics

d)

Quantitative statistics

5.

Variables that have distinct categories based on some characteristic or attribute are known as:

a)

Quantitative variables

b)

Qualitative variables

c)

Discrete variables

d)

Continuous variables

6.

Which level of measurement classifies data into mutually exclusive categories without any order or ranking?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

7.

In a normal distribution, what does the z-value represent?

a)

The mean of the distribution

b)

The median of the distribution

c)

The number of standard deviations a particular X value is away from the mean

d)

The mode of the distribution

8.

According to the Central Limit Theorem, as the sample size increases, the shape of the distribution of the sample means will approach a:

a)

Uniform distribution

b)

Normal distribution

c)

Binomial distribution

d)

Poisson distribution

9.

What is the term for the difference between the sample measure and the corresponding population measure due to the fact that the sample is not a perfect representation of the population?

a)

Sampling error

b)

Measurement error

c)

Standard error

d)

Random error

10.

Which level of measurement possesses all the characteristics of interval measurement, and there exists a true zero?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

11.

A variable that can assume an infinite number of values between any two specific values and is obtained by measuring is called a:

a)

Discrete variable

b)

Continuous variable

c)

Qualitative variable

d)

Random variable

12.

Which type of statistics consists of the collection, organization, summarization, and presentation of data?

a)

Inferential statistics

b)

Descriptive statistics

c)

Predictive statistics

d)

Analytical statistics

13.

What is the term for a group of subjects selected from a population?

a)

Sample

b)

Census

c)

Parameter

d)

Statistic

14.

Which level of measurement ranks data, and precise differences between units of measure do exist; however, there is no meaningful zero?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio