Math 10 Stat

1. The mathematical value that separates the dataset into two equal parts.

• mean

• median

• mode

• quartile

The value or element that appears most frequently in the set of data.

• mean

• median

• mode

• quartile

In a given set of scores the mean is 60. Which of the following is true?

• The passing score is 60.

• The average score is 60.

• Most of the examinees scored 60.

• Half of the examinees scored above 60 and half scored below 60.

Which of the measures of central tendency has a value that is affected by the values of the elements?

• mean

• median

• mode

• all of these

Which of the following does not belong to the other three?

• mean

• median

• mmode

• quartile

The measure of position that separates the data set into 4 equal parts?

• mean

• median

• mode

• quartile

The lower quartile is the same as the __________________________.

• 25th percentile

• 50th percentile

• 3rd decile

• 5th decile

Which of the following statements is NOT correct?

• The 2^nd quartile equals the median.

• The 3^rd decile equals the 75^th percentile

• The 4^th decile equals the 40^th percentile

• The 8^th decile is greater than the 3^rd quartile

The upper quartile separates the data into __________________________.

• 25% above and 75% below.

• 25% below and 75% above.

• 30% above and 70% below.

• 50% above and 50% below.

Ruby got a score of 65 which is equivalent to 80% percentile in a summative test. Which of the following is NOT TRUE?

• Her score is below the 5th decile

• She scored above 80% of her classmates

• 20% of the class got scores of 65 and above

• If the passing score is the 1st quartile, then she passed the test