Which of the following is associated with a parameter? Choose the correct answer below. O A. Data that were obtained from an entire population. OB. Data that were obtained from a sample. OC. Data that were obtained from a voluntary poll at the end of a service call. OD. A numerical measurement describing some characteristic of a sample.

Use the given data to complete parts (a) and (b) below. y 2.2 3.8 4 1.5 2.9 3.7 4.6 4.9 (b) Draw a scatter diagram of the data with the additional data point (10.4,9.3). Choose the correct answer below. OA. OB. Oc. OD 124 12- 12- 12 8- 8- 8- 4- 4.

Provided below is a simple data set for you to practice finding descriptive measures. For the data set, complete parts (a) through (c) below. 1,4,7,8 a. Obtain the quartiles. Q₂ Q₂ = (Type integers or decimals. Do not round.) b. Determine the interquartile range. The interquartile range is (Type an integer or a decimal. Do not round.) c. Find the five-number summary. 0.000.0 (Type integers or decimals. Do not round. Use ascending order.)

Determine which of the four levels of measurement ( norminal, ordinal, interval, ratio) is most appropriate for the data below. Years in which U.S. presidents were inaugurated