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Statistics and Probability Quiz

Total questions: 27

Worksheet time: 13mins

Name
Class
Date
1.

What is the mode of the given data 12, 6, 9, 8, 10, 5, 12, 7?

a)

9

b)

10

c)

10.5

d)

11

e)

12

2.

In a math test, eight students obtained the following scores: 12, 10, 13, 11, 15, 20, 19, and 17. What is the median score?

a)

13

b)

14

c)

15

d)

16.5

e)

17

3.

In a statistics test, seven students obtained the following scores 48, 62, 62, 98, 76, 88, 70. What is the median score?

a)

62

b)

70

c)

76

d)

88

e)

98

4.

Find the mean, the median, and all the modes for the pay rates in the given frequency distribution. Round your answers to two decimal places. Hourly pay rates for employees Frequency 9.00 4 12.50 29 15.50 7 20.00 4

a)

Mean: $18.53, Median: $14.00 Mode: $12.50

b)

Mean: $14.25, Median: $14.00 Mode: $15.50

c)

Mean: $13.34, Median: $12.50 Mode: $12.50

d)

Mean: $13.34, Median: $14.00 Mode: $15.50

e)

Mean: $14.25, Median: $14.00 Mode: $12.50

5.

The following daily temperatures were recorded at three-hour intervals. Find the midrange of the data. Round your answer to one decimal place, if necessary. 54o, 58o, 65o, 69o, 71o, 67o, 65o, 65o, 60o

a)

57o

b)

65.5o

c)

67o

d)

62.5o

e)

60o

6.

So far in art class, a student's quiz scores are 89%, 90%, 82%, and 77%. What score does the student need on the fifth quiz to have a mean quiz score of 87%? All the quizzes have equal weights. Round your answer to the nearest whole number.

a)

85%

b)

87%

c)

90%

d)

95%

e)

97%

7.

It is the science of collecting, organizing, analyzing, and interpreting data to make decisions.

a)

Probability

b)

Statistics

c)

Population

d)

Mathematics

8.

It is the collection of all outcomes, responses, measurements, or counts that are of interest..

a)

Probability

b)

Statistics

c)

Population

d)

Mathematics

9.

In a survey, 45 front liners in Dipolog City were asked if they thought there was solid evidence for COVID-19 positive. Twelve of the front liners said yes. Identify the population and the sample. Describe the data set. What is the population?

a)

responses of all front liners in Dipolog City

b)

responses of the 45 front liners in Dipolog City in the survey.

c)

The data set consists of 12 yes's and 33 no's.

d)

responses of all front liners in Dipolog City

10.

In a survey, 45 front liners in Dipolog City were asked if they thought there was solid evidence for COVID-19 positive. Twelve of the front liners said yes. Identify the population and the sample. Describe the data set. What is the sample?

a)

responses of all front liners in Dipolog City

b)

responses of the 45 front liners in Dipolog City in the survey.

c)

The data set consists of 12 yes's and 33 no's.

d)

responses of all front liners in Dipolog City

11.

A numerical description of a population characteristic.

a)

Probability

b)

Parameter

c)

Population

d)

Sample

e)

Statistic

12.

A numerical description of a sample characteristic.

a)

Probability

b)

Parameter

c)

Population

d)

Sample

e)

Statistic

13.

It is a count or measure of an entire population.

a)

Population

b)

Census

c)

Statistic

d)

Parameter

e)

Sampling

14.

It is a count or measure of part of a population, and is more commonly used in statistical studies.

a)

Population

b)

Census

c)

Statistic

d)

Parameter

e)

Sampling

15.

A sampling method in which members of the population are divided into two or more subsets, called strata, that share a similar characteristic such as age, gender, ethnicity, or even political preference.

a)

Random Sampling

b)

Stratified Sampling

c)

Cluster Sampling

d)

Systematic Sampling

e)

Convenience Sampling

16.

You are conducting a study to find out the opinions of students in Jose Rizal Memorial State University regarding stem cell research. Determine the sampling technique you are using if you select students who are in the College of Nursing and Allied Health Sciences.

a)

Random Sampling

b)

Stratified Sampling

c)

Cluster Sampling

d)

Systematic Sampling

e)

Convenience Sampling

17.

Suppose there are 2000 residents in Santa Cruz, Dapitan City and a sample of 50 participants are needed to join in the Health Practices Survey amid COVID-19.

a)

Random Sampling

b)

Stratified Sampling

c)

Cluster Sampling

d)

Systematic Sampling

e)

Convenience Sampling

18.

A sampling method in which the population is divided into groups, called clusters, and select all of the members in one or more.

a)

Random Sampling

b)

Stratified Sampling

c)

Cluster Sampling

d)

Systematic Sampling

e)

Convenience Sampling

19.

A survey on the modular learning modality is to be conducted among the residents in the 50 barangays in Dapitan City. Three barangays are targeted to participate in the survey.

a)

Random Sampling

b)

Stratified Sampling

c)

Cluster Sampling

d)

Systematic Sampling

e)

Convenience Sampling

20.

A bar graph that represents the frequency distribution of a data set.

a)

Horizontal Bar Graph

b)

Vertical Bar Graph

c)

Frequency Histogram

d)

Frequency Bar Graph

e)

Pareto Chart

21.

Vertical bar graph in which the height of each bar represents frequency or relative frequency.

a)

Horizontal Bar Graph

b)

Vertical Bar Graph

c)

Frequency Histogram

d)

Frequency Bar Graph

e)

Pareto Chart

22.

A value that represents a typical, or central, entry of a data set.

a)

Mean

b)

Median

c)

Average

d)

Measures of Central Tendency

e)

Mode

23.

A data set is the data entry that occurs with the greatest frequency.

a)

Mean

b)

Median

c)

Average

d)

Measures of Central Tendency

e)

Mode

24.

The mean of a data set whose entries have varying weights.

a)

Average Mean

b)

Weight Mean

c)

Weighted Mean

d)

Measures of Central Tendency

e)

Grand Mean

25.

A corporation hired 10 graduates. The starting salaries (in pesos) for each graduate per hour of work are shown below. Find the range of the starting salaries per hour for the corporation. 41 38 39 45 47 41 44 41 37 42

a)

13

b)

12

c)

11

d)

10

e)

9

26.

A corporation hired 10 graduates. The starting salaries (in pesos) for each graduate per hour of work are shown below. Find the population standard deviation of the starting salaries per hour for the corporation. 41 38 39 45 47 41 44 41 37 42

a)

415

b)

88.5

c)

9.8

d)

8.9

e)

3.0

27.

A corporation hired 10 graduates. The starting salaries (in pesos) for each graduate per hour of work are shown below. Find the sample variance of the starting salaries per hour for the corporation. 41 38 39 45 47 41 44 41 37 42

a)

415

b)

88.5

c)

9.8

d)

8.9

e)

3.0