Test your Knowledge on Statistics

It is a study of the collection, analysis, interpretation, presentation and organization of data.

• Statistics

• Probability

• Algebra

• Engineering

This is the formal study of the laws of chance and was used for only one thing: Gambling.

• Statistics

• Probability

• Algebra

• Arithmetic

A branch of statistics that provides a simple summary of the samples and the measures.

True or False: The median is more preferred over mean for non-normal (skewed) data as it is less affected by extreme values and outliers.

• True

• False

Categorize each tool into the types of descriptive statistics.

Groups:

(a) Central Tendency

,

(b) Measure of Dispersion

• Mode

• Range

• Mean

• Variance

• Standard Deviation

• Median

Match the definition to the correct type of tool to measure the data's central tendency.

• Average of all values

• Median

• Middle value in an ordered set

• Mode

• Most frequent value

• Mean

Match the definition to the correct type of tool to measure the data's dispersion.

• Square root of the variance

• Variance

• Avg of squared differences from the mean

• Range

• Max - Min Value

• Standard Deviation

Which of the following tools are commonly used in inferential statistics to make predictions or generalizations about a population based on sample? Select all possible.

• Confidence Intervals

• Kruskal Wallis

• Regression Analysis

• Mean

• Histogram

Given the following data set, match your answer to the correct statistical tool:

15, 100, 23, 16, 45, 50, 21, 20, 53, 18, 16, 15, 23, 12, 89

• 21

• Mean

• 15

• Standard Deviation

• 8.2

• Sample Size (n)

• 88

• Median

• 34.4

• Range