Free Printable PSTAT Part 1 (Q1)

Free Printable Worksheets

Worksheets

PSTAT Part 1 (Q1)

Total questions: 30

Worksheet time: 31mins

Name

Class

Date

1.

Which of the following is a discrete random variable?

a)

the average amount of electricity consumed

b)

the number of patients in a hospital

c)

the amount of paint used in repainting a building

d)

the average weight of female athletes

2.

If two coins are tossed, which is not a possible value of the random variable for the number of heads?

a)

0

b)

1

c)

2

d)

3

3.

Which of the following is not true statement?

a)

The value of random variable could be zero

b)

Random variables can only have one value

c)

The probability of the value of a random variable could be zero

d)

The sum of all the probabilities in a probabilities in a probability distribution is always equal to one.

4.

Which formula gives the probability distribution shown by the table?

a)

$P\left(X\right)=\frac{1}{X}$

b)

$P\left(X\right)=\frac{X}{6}$

c)

$P\left(X\right)=\frac{6}{X}$

d)

$P\left(X\right)=\frac{1}{6}$

5.

If $P\left(X\right)=\frac{X}{6}$ , what are the possible values of X for it to be a probability distribution?

a)

0,2,3

b)

1,2,3

c)

2,3,4

d)

1,1,2

6.

Refer to the probability distribution, what is the MEAN of the probability distribution?

a)

1.5

b)

1.2

c)

1.6

d)

1.8

7.

Refer to the probability distribution, what is the VARIANCE of the probability distribution? use 2 decimal places

(a)

8.

Refer to the probability distribution, what is the STANDARD DEVIATION of the probability distribution? use 2 decimal places

(a)

9.

Refer to the probability distribution, what is the MEAN of the probability distribution?

(a)

10.

Refer to the probability distribution, what is the VARIANCE of the probability distribution? use 2 decimal places

(a)

11.

Identify whether the given variable is discrete or continuous. Type in Arf if it is Discrete and Meow if it Continuous. CHECK YOUR spelling

The number of books in the library.

(a)

12.

Identify whether the given variable is discrete or continuous. Type in Arf if it is Discrete and Meow if it Continuous. CHECK YOUR spelling

The lifetime in hours of 15 flashlights.

(a)

13.

Identify whether the given variable is discrete or continuous. Type in Arf if it is Discrete and Meow if it Continuous. CHECK YOUR spelling

The capacity of water dams in region.

(a)

14.

Identify whether the given variable is discrete or continuous. Type in Arf if it is Discrete and Meow if it Continuous. CHECK YOUR spelling

The weight of Grade 11 students.

(a)

15.

Identify whether the given variable is discrete or continuous. Type in Arf if it is Discrete and Meow if it Continuous. CHECK YOUR spelling

The number of tourists each day in museum.

(a)

16.

In statistics, a sample:

a)

Can be used for inferences but not for predictions.

b)

Is another word for population.

c)

Is a set of data taken from the population to represent the population.

d)

Is only used in descriptive statistics.

17.

How do descriptive and inferential statistics differ?

a)

Descriptive statistics are more computationally sophisticated than inferential statistics.

b)

Inferential statistics are more computationally sophisticated than descriptive statistics

c)

Descriptive statistics only attempt to describe data, while inferential statistics attempt to make predictions based on data.

d)

Inferential statistics only attempt to describe data, while descriptive statistics attempt to make predictions based on data.

18.

Tell if the statement if Descriptive or Inferential

The chances of you getting a new car is about the same as passing your statistics class.

a)

Descriptive

b)

Inferential

19.

Which statistical branch compares, tests, and predicts the future?

a)

Descriptive

b)

Inferential

20.

Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?

a)

Quantitative observations use numbers, qualitative uses the senses.

b)

Quantitative observations use the senses, qualitative uses numbers.

c)

Quantitative observations use measurement, qualitative uses numbers.

d)

Quantitative observations use colors, qualitative uses the senses.

21.

Inferential vs descriptive statistics??

1) Making statements for the population based on samples

a)

Descriptive

b)

Inferential

22.

Statistics which is concerned with summarizing values to describe group characteristics of the data.

a)

Descriptive

b)

Inferential

c)

Parametric

d)

Non Parametric

23.

Is this a statistical question? "How many pairs of tennis shoes do the students in our school have?"

a)

Yes, this is a statistical question

b)

No, this is not a statistical question

24.

What is a quantitative variable that could have an infinite number of values?

a)

categorical variable

b)

qualitative variable

c)

discrete variable

d)

continuous variable

25.

What is a quantitative variable that can take on a certain number of values?

a)

categorical variable

b)

qualitative variable

c)

discrete variable

d)

numerical variable

26.

A prediction has been made that the chance that a person will be robbed in a certain city is 15%.

a)

Inferential

b)

Descriptive

27.

Tell if the statement if Descriptive or Inferential

A recent survey of 2000 adults having an MBA reported that the average salary is more than $65,000 a year.

a)

Inferential

b)

Descriptive

28.

It is predicted that the average number of automobiles each household owns will increase next year.

a)

Inferential

b)

Descriptive

29.

Inferential vs descriptive statistics??

4) Uses the data to provide descriptions of the population, either through numerical calculations or graphs or tables.

a)

Descriptive

b)

Inferential

30.

What is the word in statistics for any characteristic or attribute of a person, place, or thing?

a)

variable

b)

descriptive statistic

c)

inferential statistic

d)

parameter

Reset

Similar Resources on Wayground

25 questions

Sampling Types

Worksheet

•

9th - 12th Grade

25 questions

Function Quiz Algebra 1

Worksheet

•

9th - 12th Grade

25 questions

Finding Confidence Intervals

Worksheet

•

10th - 12th Grade

25 questions

Histograms, Frequency Polygons, and Ogives

Worksheet

•

11th Grade - University

28 questions

domain and range

Worksheet

•

9th - 11th Grade

25 questions

PAP - Unit 2 Test Review

Worksheet

•

10th - 11th Grade

25 questions

Capstone Intro

Worksheet

•

9th - 12th Grade

25 questions

Algebra 1 Vocabulary for CL

Worksheet

•

9th - 12th Grade