Question

question #5
the data in the box represents the number of daily emails agatha received over a period of 2 weeks.
25, 27, 30, 31, 32, 25, 33, 30, 31, 32, 30, 33, 27, 30
which dot - plot represents the data?

Explanation:

Step1: Count data - point frequencies

Count the number of times each value appears in the data - set: 25 appears 3 times, 27 appears 2 times, 30 appears 5 times, 31 appears 3 times, 32 appears 3 times, 33 appears 3 times.

Step2: Check dot - plot frequencies

• In option A: Incorrect frequencies for the values.
• In option B: The frequencies match the counts from the data - set. For example, there are 3 dots above 25, 2 dots above 27, 5 dots above 30, 3 dots above 31, 3 dots above 32 and 3 dots above 33.
• In option C: Incorrect frequencies for the values.
• In option D: Incorrect frequencies for the values.

Answer:

B.