Question

21 find the mode of the following data set: 121, 320, 172, 375, 115, 174, 425, 320, 185 245 185 320 310

Explanation:

Step1: Recall the definition of mode

The mode of a data set is the value that appears most frequently.

Step2: Count the frequency of each number

• 121: appears 1 time
• 320: appears 2 times
• 172: appears 1 time
• 375: appears 1 time
• 115: appears 1 time
• 174: appears 1 time
• 425: appears 1 time
• 185: appears 1 time

Step3: Identify the mode

Since 320 appears more frequently (2 times) than any other number (which appear 1 time each), the mode is 320.

Answer:

320