Business Analysis Statistics Test #6

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The mean and median in a highly skewed distribution are 20 and 24, respectively. Determine the mean value.

Correct! Wrong!

The correct answer:
26

Three components make up a distribution, with means of 25, 10, and 15 and total frequencies of 200, 250, and 300, respectively. Find the combined distribution's mean.

Correct! Wrong!

The correct answer:
16

The index number used for the base year is always —

Correct! Wrong!

The correct answer:
100

Index number calculated by Fisher's formula is ideal because it satisfy:

Correct! Wrong!

The correct answer:
Factor reversal test and Circular test

A time frame for which an index number is calculated is known as a ———

Correct! Wrong!

Explanation:
The most current period for which an index has been or is being calculated should be referred to as the "current" period. But the phrase is frequently used to refer to any time frame that is measured against a pricing or index reference period.

The intercept is in the regression equation Y = 75.65 + 0.50X.

Correct! Wrong!

The correct answer:
76.65

The Y in the regression equation Y = a+bX is referred to as:

Correct! Wrong!

Explanation:
A dependent variable is one that is altered as a result of the modification of an independent variable. Your independent variable "depends" on the outcome you're interested in measuring. Dependent variables are also referred to as: response elements (they respond to a change in another variable)

Is information that a researcher gathers from first-hand sources.

Correct! Wrong!

Explanation:
The term "primary data" refers to information that has been collected directly by the researcher. Secondary data is information that was gathered earlier by another party. questionnaires, personal interviews, observations, experiments, etc. Publications, websites, books, journal articles, internal documents, etc. produced by the government.

The sample mean is a

Correct! Wrong!

Explanation:
The study of statistics focuses on gathering, organizing, organizing, analyzing, interpreting, and presenting data. It is customary to start with a statistical population or a statistical model to be researched when applying statistics to a scientific, industrial, or social problem.

What techniques are used to gather primary data?

Correct! Wrong!

Explanation:
There are many techniques to gather primary data. Self-administered surveys, interviews, field observations, and experiments are the most popular methods.

The process used to determine the average or central value of the data obtained is referred to as

Correct! Wrong!

The correct answer:
measures of central tendency

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