Classify the type of variable for the following:

"The swab test result for Covid-19 patient."

Identify the scale of measurement for the following sentence:

"The satisfaction level of customer towards service of MAS airlines"

A sample of 10 students in one of the private colleges showed the following credit hours taken during the first year of their program:

22, 21, 18, 17, 19, 20, 21, 18, 20, 19

Find first (Q1), second (Q2) and third quartile(Q3).

The figure shows a graph of number of students in different groups.

What is the name of the graph?

"A bar graph where the x-axis is the class boundaries and the y-axis is the frequency. This graph also can be used to identify mode value."

Which graph best represent the above statement?

The Business Mathematics test score for eight randomly selected students are given as follows:

85, 70, 65, 92, 48, 30, 70, 80.

Calculate the mean value.

"Short term wave pattern at a certain period of time. Normally this pattern is the same for every year."

Which component of time series best describe the statement above?

From the box and whisker plot as shown in the figure, determine the shape of distribution.

A marketing analyst is conducting a satisfaction survey on car purchase in Town Y. The population list includes 3000 Proton buyers, 2500 Honda buyers, 2500 Toyota buyers and 2000 Perodua buyers. The analyst wants to select a sample of 400 buyers. Which sampling technique is the most appropriate method that can be used for the above situation?

From the scatter diagram shown, what is the type of relationship between Temperature and Sales of ice cream?

Given 7 digits of numbers: 1, 2, 3, 4, 5, 6 and 7.

How many 3-digit number can be formed if repetition is not allowed?

Table shows the efficiency rating of workers in KFC Company. Calculate the Pearson's Product Moment correlation coefficient.

The table shows the price and quantity of wireless mouse in 2020 and 2021 at Shop XYZ. Find the Paasche quantity index for the given data by using 2020 as the base year.

Table shows the seasonal indices for number of drinks sold at Shop XYZ over three-shift period. Which shift represents the sales below the trend?