Ashford BUS308 2020 September Week 1 Quiz Latest

BUS308 Statistics for Managers

Week 1 Quiz  

Question 1The probability of either, but not both, of two independent events occurring [P(A or B)]is the sum of their individual probabilities.

  True

  False

 Question 2Which of the following measures central tendency and includes data from every score?

  The mean

  The standard deviation

  The mode

  The median

 Question 3The z score tells us how often a result occurs?

  True

  False

 Question 4Calculating the median requires data of at least what level?

  Nominal

  Ordinal

  Interval

  Ratio

Question 5A probability is found by dividing the number of possible outcomes (o) by the number of successes (e) P = o/e.

  True

  False

 Question 6The mean is?

  The most frequently occurring value in a data set.

  The arithmetic average of a set of numbers.

  The middle point in a set of values.

  The difference between the high and low values in a data set.

 Question 7The mean is the most frequently used measure of central location.

  True

  False

 Question 8Data on the city from which members of a board of directors come from represent interval level data.

  True

  False

 Question 9The standard deviation measures the central tendency of the data set.

  True

  False

 Question 10If a manager wants to know the typical deviation in worker’s productivity, she will calculate the range.

  True

  False