BACHELOR OF BUSINESS ADMINISTRATION

BUSINESS ADMINISTRATION

BUSINESS ANALYTICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scores on Ms. Bond’s test have a mean of 70 and a standard deviation of 11. Michelle has a score of 48. Convert Michelle’s score to a z-score. (Round to two decimal places if necessary.)
A
2
B
41.64
C
-2
D
1.33
Explanation: 

Detailed explanation-1: -A z-score of z = +2.00 is always located exactly 2 standard deviations above the mean.

Detailed explanation-2: -T-scores indicate how many standard deviation units an examinee’s score is above or below the mean. TScores always have a mean of 50 and a standard deviation of 10, so any T-Score is directly interpretable. A TScore of 50 indicates a raw score equal to the mean.

Detailed explanation-3: -IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. An individual’s IQ score is found to be 110.

Detailed explanation-4: -B. Statement: The z-score for the population mean is always 0, even in a skewed distribution. The statement is false.

There is 1 question to complete.