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Refresher Concepts > Types of Statistics MCQs > Flashcards

Types of Statistics MCQs Flashcards

1
Q

Which of the following is a type of descriptive statistics?
A) Mean
B) Hypothesis Testing
C) Confidence Interval
D) Probability

A

A

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2
Q

Inferential statistics is primarily concerned with:
A) Estimating probabilities
B) Describing data
C) Making inferences about a population
D) Summarizing sample data

A

C

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3
Q

What type of statistics would you use to summarize data from a survey?
A) Inferential statistics
B) Descriptive statistics
C) Non-parametric statistics
D) Parametric statistics

A

B

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4
Q

Which of the following is an example of inferential statistics?
A) Calculating the average age in a dataset
B) Estimating the population mean from a sample
C) Listing the modes
D) Calculating variance

A

B

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5
Q

Which type of statistics involves making predictions about a population based on a sample?
A) Inferential statistics
B) Descriptive statistics
C) Probability
D) Non-parametric statistics

A

A

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6
Q

Parametric tests generally assume:
A) No assumptions about the population
B) Normal distribution of the population
C) Small sample sizes
D) Ordinal data

A

B

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7
Q

Which of the following is an example of non-parametric statistics?
A) T-test
B) ANOVA
C) Chi-square test
D) Correlation coefficient

A

C

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8
Q

Descriptive statistics include all of the following except:
A) Mean
B) Mode
C) Standard deviation
D) Hypothesis testing

A

D

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9
Q

Which of the following is typically not considered descriptive statistics?
A) Range
B) Median
C) Hypothesis testing
D) Standard deviation

A

C

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10
Q

When comparing two unrelated groups with unknown distribution, which statistical test is appropriate?
A) T-test
B) Chi-square test
C) Z-test
D) ANOVA

A

B

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11
Q

Which measure is often used in descriptive statistics to represent the center of a dataset?
A) Mean
B) Standard deviation
C) Frequency
D) Hypothesis testing

A

A

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12
Q

In inferential statistics, the process of estimating population parameters from sample statistics is called:
A) Estimation
B) Prediction
C) Summarization
D) Observation

A

A

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13
Q

Which statistical test is commonly used for non-normally distributed data?
A) T-test
B) ANOVA
C) Chi-square test
D) Z-test

A

C

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14
Q

Descriptive statistics are primarily used to:
A) Infer data for a population
B) Make predictions
C) Summarize and organize data
D) Draw conclusions from data

A

C

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15
Q

The chi-square test is an example of:
A) Parametric statistics
B) Inferential statistics
C) Non-parametric statistics
D) Descriptive statistics

A

C

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16
Q

When data does not meet normality, which of the following tests is preferred?
A) Z-test
B) T-test
C) Mann-Whitney U test
D) Correlation

A

C

17
Q

Which type of statistics is used to test hypotheses?
A) Parametric
B) Non-parametric
C) Descriptive
D) Inferential

A

D

18
Q

Inferential statistics often uses which of the following concepts?
A) Sample size
B) Standard deviation
C) Significance testing
D) Range

A

C

19
Q

Which type of statistics would be used to determine if there is a relationship between two variables?
A) Parametric
B) Descriptive
C) Inferential
D) Non-parametric

A

C

20
Q

The primary difference between descriptive and inferential statistics is:
A) The use of population parameters
B) The use of sample data
C) The method of collecting data
D) The purpose of data analysis

A

D

21
Q

Which of the following is true for parametric statistics?
A) It does not rely on population assumptions
B) It requires small sample sizes
C) It assumes normal distribution
D) It is rarely used

A

C

22
Q

Non-parametric tests are often used when:
A) Data is not normally distributed
B) Population parameters are known
C) Data is normally distributed
D) Sample size is large

A

A

23
Q

When is descriptive statistics not sufficient?
A) When the entire population can be studied
B) When making predictions or generalizations about a population
C) When data has no variability
D) When only summary is required

A

B

24
Q

Which of the following would be considered a part of inferential statistics?
A) Mean calculation
B) Creating a pie chart
C) Hypothesis testing
D) Calculating the mode

A

C

25
Q

Non-parametric tests are suitable for data that is:
A) Normally distributed
B) Ordinal or nominal
C) Ratio
D) Interval

A

B

Refresher Concepts (4 decks)

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