ASODL Quant Semester 1

Question No. 1 A survey to collect data on the entire population is

a census a sample a population an inference

Question No. 2 A portion of the population selected to represent the population is called statistical inference descriptive statistics a census a sample

Question No. 3 Qualitative data can be graphically represented by using a(n)
Options

histogram frequency polygon ogive bar graph

Question No. 4 Fifteen percent of the students in a school of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) which can be used to present these data is (are
Options

a line graph only a bar graph only a pie chart both a bar graph and a pie chart

Question No. 5 A histogram is
Options

a graphical presentation of a frequency or relative frequency distribution a graphical method of presenting a cumulative frequency or a cumulative relative frequency distribution the history of data elements the same as a pie chart

Question No. 6 The mean of a sample
Options

is always equal to the mean of the population is always smaller than the mean of the population is computed by summing the data values and dividing the sum by (n - 1) is computed by summing all the data values and dividing the sum by the number of items

Question No. 7 The median of a sample will always equal the
Options

mode mean 50th percentile all of the above answers are correct

Question No. 8 The difference between the largest and the smallest data values is the
Options

variance interquartile range range coefficient of variation

Question No. 9 The most frequently occurring value of a data set is called the

Options

range

mode

mean

median

Question No. 10 The heights (in inches) of 25 individuals were recorded and the following statistics were calculated mean = 70 range = 20 mode = 73 variance = 784 median = 74 The coefficient of variation equals
Options