WGU C955 - PA Exam Questions With Correct Answers

What is 3/4 divided by 2/3? A) 9/8 B) 5/12 C) 5/7 D) 6/7 - Answer 9/8 A county park has hiking paths with lengths of 1.05, 3.6, 3.17, and 2.2 miles. What is the total length, in miles, of hiking paths in the park? A) 9.02 miles B) 10.02 miles C) 10.12 miles D) 11.2 miles - Answer 10.02 miles If there are 2 tablespoons in 1 fluid ounce, how many tablespoons does the following calculation yield? 4 fl oz - 1.5 tbsp 0.5 tbsp 1 tbsp 2.5 tbsp 6.5 tbsp - Answer 6.5 tbsp Solve for X: X - 5/4 = 2/3 A) 3/12 B) 7/12 C) 10/12 D) 23/12 - Answer 23/12 Solve for X: X+5/3=2/3 A) -3 B) -1 C) 1 D) 3 - Answer -1 Given the inequality: 2y + 6 > 20 Which graph is the solution? A) {{ y < 3 }} B) {{ y > 6 }} C) {{ y > 7 }} D) {{ y < 7 }} - Answer {{ y > 7 }} Which graph is the solution for y < 8? A) {{ unfilled circle on 8, arrow pointing left }} B) {{ filled circle on 8, arrow point left }} C) {{ unfilled circle on 8, arrow pointing right }} D) {{ filled circle on 8, arrow point right }} - Answer {{ unfilled circle on 8, arrow pointing left }} Which graph is the solution for 4y - 6 > 18? A) {{ y > 4 }} B) {{ y > 6 }} C) {{ y < 4 }} D) {{ y < 6 }} - Answer {{ y > 6 }} What is the correct line graph for y = 3x + 5? A) (0,5) to (2,11) B) (0,-5) to (2,-11) C) (0,3) to (2,5) D) (0,3) to (2,-7) - Answer (0,5) to (2,11) What is the correct line graph for y = -2x + 9? A) (0,9) to (4.5,0) B) (0,9) to (3,0) C) (0,-9) to (5,-19) D) (0,-9) to (5,-24) - Answer (0,9) to (4.5,0) A normally distributed data set has a mean of 25 and a standard deviation of 2. Which percentage of the data falls between 23 and 25? A) 34.0 B) 68.0 C) 95.0 D) 99.7 - Answer 34.0 A given data set is normally distributed with a mean of 200 and a standard deviation of 5. Which two values does 95% of the data fall between? A) 180-220 B) 185-225 C) 190-210 D) 195-235 - Answer 190-210 In a statistics class, 40 students are asked to write their age on a piece of paper and place the paper in a box. After rotating and shaking the box, 5 pieces of paper are drawn from the box at random. The data results are as follows: 36 22 21 20 19 What is the median for this data set? A) 17 B) 21 C) 24 D) 28 - Answer 21 A new video gaming site wants to know what the median age is of its adolescent population so they can focus on activities for these clients. A data analyst recorded the ages of 12 adolescents who used the site over a three-month period. The results are given below: Age ,Frequency 13 ,1 16 ,2 17 ,2 18 ,3 19 ,4 What is the median age of the adolescents? A) 17.0 B) 17.2 C) 18.0 D) 18.6 - Answer 18.0 The graph shows a company's profits, in thousands of dollars, for five different regions: {{ Y = Profits in Thousands of Dollars X = A B C D E A = 29 B = 34 C = 15 D = 40 E = 22 }} Based on this graph, what is the closest approximate total profit (in thousands) for all five regions? 100 140 170 200 - Answer 140 The bar chart below summarizes the final grade distribution for a statistics course: {{ Y = Count X = A B C D F A = 5 B = 9 C = 11 D = 8 F = 7 }} Which percentage of students earned a B in the statistics course? A) 9% B) 22.5% C) 27.5% D) 40% - Answer 22.5% Which statement is true regarding the distribution of the histogram below? {{ Positively skewed histogram }} A) The mean of the distribution is greater than its median. B) The median of the distribution is greater than its mean. C) The mean and the median of the distribution are equal. D) The relationship between the mean and the median cannot be determined from the histogram. - Answer The mean of the distribution is greater than its median. In one 12-hour shift, a nurse spends four hours at patient bedsides, two hours pulling medications, one hour on breaks, two hours documenting, and three hours doing other activities. An analyst would like to display the data by representing the 12-hour shift as one whole. Which display method should the analyst use to meet this goal? A) Box plot B) Stem plot C) Histogram D) Pie chart - Answer Pie chart For which type of website data would a histogram be most appropriate? A) Length of visit in minutes B) Location of visitor by country C) Frequently viewed pages D) Most popular method of arrival - Answer Length of visit in minutes A company has 14 employees. Six employees work day shift, five employees work swing shift, and three employees work night shift. Which type of graph should be used to display how many employees work each shift? A) Stem plot B) Bar graph C) Box plot D) Histogram - Answer Bar graph The bar chart below displays the daily number of visits for the five most frequently viewed web pages of a retailer's website: {{ Y=Number of Visits per Day, going from 0 to 1400 in increments of 200 1st Bar=700 2nd Bar=900 3rd Bar=1100 4th Bar=1250 5th Bar=1300 }}