Statistics Concept

Question 1

Frequency distribution

Answer 1

A table shows how the number /data being distributed

Question 2

The Goal of frequency distribution

Answer 2

To summarize basic characteristics of data such as where the data are centered and how broadly the data are dispersed

Question 3

Relative Frequency

Answer 3

Frequency expressed as a percent ,proportion of the total

Question 4

Con for frequency distribution

Answer 4

If I change any of the data I must construct a new frequency distribution and histogram

Question 5

Numerical data

Answer 5

These data have the meaning as a measurement, such as a person’s height, weight, IQ, or blood pressure; or they’re a count,

Question 6

Categorical data

Answer 6

Categorical data represent characteristics such as A person’s gender, marital status, hometown, or the types of movies they like.

Question 7

Why should I use cumulative frequency distribution?

Answer 7

The proportion of total numbers of observation fall at or below the upper limit of each group