Apply Your Knowledge 1. See the output below. Which statements are correct? a. The median is an appropriate statistic to report for the variable region. b. The region that has the highest frequency is the North. C. The cumulative percent is meaningful for region. d. The columns Percent and Valid Percent are identical because there are no missing values on region Statistics region N Valid 474 Missing Median 2.00 Mode region Frequency Percent |Valid Percent |Cumulative Percent Valid North 133 28.1 28.1 28.1 East 127 26.8 26.8 54.9 South 114 24.1 24.1 78.9 West 100 21.1 21.1 100.0 Total 474 100.0 100.0 2. See the output below. Which bar chart is best to present the distribution of the ordinal variable age of employees, in categories? Bars sorted descending on count (A) or sorted on ascending value (B)? Age of employee (Binned) Age or employee (Binnea) 100 Frequency Frequency 50 26 - 30 31 - 35 x 25 56 - 60 41 -45 46-50 51 -95 26:40 61. 25 26 -20 21 -35 28-40 41 -45 46 -50 51 -55 56 -80 74 Age of employee (Binned) Age of employee (Binned) A B See the table below (a frequency table of HAPPINESS OF MARRIAGE, with those not married defined as missing). Which statements are correct? a. 29.5% of those married are very happy in their marriage. b. The mode is the category pretty happy. C . 96.9% of those married are pretty happy or very happyHAPPINESS OF MARRIAGE Frequency Percent Valid Percent Cumulative Percent Valid VERY HAPPY 596 29.5 61.5 61.5 PRETTY HAPPY 343 17.0 35.4 96.9 NOT TOO HAPPY 30 1.5 3.1 100.0 Total 969 47.9 100.0 Missing NOT MARRIED 1054 52.1 Total 2023 100.0