Quiz 1

What is the mode of the data set given below? 35, 47, 65, 47, 22

47

A sample of 13 adult males' heights are listed below. 70, 72, 71, 70, 69, 73, 69, 68, 70, 71, 67, 71, 74 find the range of the data

7

Which of the following graphs provides information on outliers and IQR of a data set?

Box plot

The amount of time taken by each of 10 students in a class to complete an exam is an example of what type of data?

Quantitative data

The _____ is a point estimate of the population mean for the variable of interest

Sample mean

Data collected from several entities over a period of time (minus, hours, day, etc) are called ____

Time series data

_____ are collected from several entities at the same point in time

cross-sectional data

The variance is based on the ____

deviation about the mean

The letter grades (A, B, C, D, F) of business analysis students are recorded by a professor. This variable's classification_____

is categorical data

The act of collecting data that are representative of the population data is called _____

random sampling

a quantity of interest that can take on different values is known as

variable

_____acts as a representative of the population

a sample