Review Basic Statistics

Which of the following is a visual representation of data using symbols or images?

• Histogram

• Pictogram

• Line graph

• Scatter plot

What does the image represent?

• Bar chart

• Pie chart

• Histogram

• Line graph

What is the primary purpose of data interpretation in statistics?

• To collect data

• To analyze and draw conclusions from data

• To create graphs

• To calculate percentages

What does the image represent?

• Bar chart

• Pie chart

• Pictogram

• Line graph

What is the purpose of using a line graph in statistics?

• To show parts of a whole

• To compare quantities

• To display data trends over time

• To show frequency distribution

Is the highlighted section of this graph increasing, decreasing or no change?

• increasing

• decreasing

• no change (stopped)

Which part of the following graph is there no change (stopped)?

• part A

• Part B

• Part C

• Part D

How many students like milk?

• 15

• 10

• 22

• 9

Find the mode of this data set:

67, 74, 95, 98, 98, 99, 102

• 90.4

• 35

• 92

• 98

2. Which is true about the modal class in a frequency distribution table?

• It is the class interval with the highest frequency.

• It is the class interval containing half of the total frequency.

• It is the middle class interval.

• It is any class interval.