MIDTERM EXAMINATION IN MATH224

The value of the middle term in ranked data set is called

• range

• mean

• median

• mode

Which of the following can have more than one value?

• range

• mean

• median

• mode

Which of the following is obtained by taking the difference between the largest and the smallest values of a data set?

• range

• mean

• median

• mode

When the data are categorized as, for example, types of residences (apartment, townhouse, regular house), the most appropriate measure of central tendency is?

• range

• mean

• median

• mode

What is the value of the mode when all values of the data set are different with the same quantities for each score?

• 0

• undefined

• All the values

• no mode

What is the median of the following data: 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, and 6?

• 3

• 3.5

• 4

• 4.5

What is the mean of the following data; 1, 2, 3, 4, 5, 6?

• 3

• 3.5

• 4

• 4.5

In which of the following situation should the sample mean be used instead of the median?

• If the data contains of a few outliers.

• If the class intervals are open-ended.

• If the number of observations is an even number.

• If the mathematical convenience is important to the researcher.

If the total of 2,3,1,9,10 is 25, what is the mean?

• 2

• 2.8

• 5

• 6

16,3,19,3,9 What is the median mode and mean?

• Median-5 Mode 10 Mean-3

• Median-9 Mode-3 Mean-10

• Median-3 Mode-9 Mean-10

• Median-2 Mode-none Mean-4