1)As a general rule, specialists tend to use a number of classes when organizing

Question

1)As a general rule, specialists tend to use a number of classes when organizing data

a) Between 20 and 25

b) More than 30

c) Between 5 and 20

d) Between one and five

2)Set of all the specific data of interest for the researcher is known as:

a) Population

b) Sample

c) Unit of analysis

3)When a frequency distribution is construed, the first step consists of:

a) Divide the data into at least 5 classes

b) Classify the data points in classes and count the number of points of each class

c) Decide about the type and number of classes in which the data will be divided

d) None

4) The inferential statistics is the branch of statistics that collects, analyzes and caratieza a set of data in order to describe the characteristics and behavior of this conunto by means of summary measures, tables or gfraficos

a) True

b) False

Explanation / Answer

Ans:

1)Between one and five

2)Population

3)option c is correct.

Decide about the type and number of classes in which the data will be divided

4)False

Inferential statistics makes inferences and predictions about a population based on a sample of data taken from the population in question.

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