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A collection of data is also called a data set.

Your auntie claims that her true weight  is 95 pounds, but the scale in the clinic says she weighs 100 pounds. The absolute error is = 6 pounds. 

Name                          Major                            Age Richard                   Nursing                           19 Sara                         Psychology                     18 Jordan                     Chemistry                       21 Mike                        Nursing                           18 Liz                            Nursing                           21 Nicole                      Psychology                     20 Pam                         Nursing                           21 Given the above, the median age of the students is 20.

Name                          Major                            Age Richard                   Nursing                           19 Sara                         Psychology                     18 Jordan                     Chemistry                       21 Mike                        Nursing                           18 Liz                            Nursing                           21 Nicole                      Psychology                     20 Pam                         Nursing                           21 Given the above, the major that depicts the mode is psychology.

Name                          Major                            Age Richard                   Nursing                           19 Sara                         Psychology                     18 Jordan                     Chemistry                       21 Mike                        Nursing                           18 Liz                            Nursing                           21 Nicole                      Psychology                     20 Pam                         Nursing                           21 Andrea                    History                             19 Given the above, the median age of these students is 19.

The following variable will be expected to have a normal distribution. Annual sales of a product that enjoys two peak seasons.

Consider the statement below and determine the appropriateness of type of probability assigned. “Based on housing data, the chance that a new student will move to a new residence across the road from Felbry College during the coming semester is 3 in 5.” This is a subjective probability based on opinion of the speaker.

The following variable will be expected to have a normal distribution. Each of the 9 students who took a very easy test scored 10 out 10.

Question 3.4.1   Scientists have noticed that ice in the Arctic is reducing in size. Name one thing that could affect how a polar bear survives in its environment. (1)

Question 2.6.2   About how much has the average height of men changed in 100 years? [ans1] cm (1)