atterplot. Questions 24-26 refer to the following graph Questions 27-29 refer to

Question

atterplot. Questions 24-26 refer to the following graph Questions 27-29 refer to the following scatte Average Temperatures Joshua Tree National Park Servings of Fruit s3 91 30 Mon Tured 24 27 Monthly average temperatures are plotted for the year. Which of the following pairs of consecutive months experienced the largest change in temperature? Fabian is doing his best to eat more servings of fruit during the week (per doctor's orders). How many more servings of fruit did he eat on Friday compared to Saturday? A) I B) 6 C) 7 D) 8 A) Jan Feb B) Apr- May C) Sep-Oct D) Nov Dec Which Quarter had the highest average temperature? A) Quarter 1 (Jan, Feb, Mar) B) Quarter 2 (Apr, May, Jun) C) Quarter 3 (Jul, Aug, Sep) D) Quarter 4 (Oct, Nov, Dec) What was the average number servings of fruit that Fabian ate on the weekend? A) 1 B) 2 C) 3 D) 4 How many months exceeded the median monthly temperature for the year? A) 5 B) 6 C) 7 D) 8 What is the median number of servings of fruit that Fabian ate for the full week? A) 3.5 B) 3 C) 4 D) 4.8 Copyright 2018 Hamilton College Consulting 42

Explanation / Answer

Question 24

Temperature Difference in Jan-Feb: 4   

Temperature Difference in Apr-May: 13

Temperature Difference in Sep-Oct: 13

Temperature Difference in Nov-Dec: 12

The answer therefore os options (B) & (C).

Question 25

Average is noting but the sum of values divided by the number of elements. In our case the average of a quarter will be calulated by adding the temperatures of the months of the quarter divided by 3.

Average temperature of quarter 1 =  54.67

Average temperature of quarter 2 = 78

Average temperature of quarter 3 = 89

Average temperature of quarter 4 = 60

The answer therefore is option (C).

Question 27

The median is the middle number in a group of numbers.

There are two possibilities when finding the median of your data set:

The median of our data set(the temperature values) is 68.5

The months where temperature was greater than this are may, june, july, august, september and october, i.e., 6 months.

Thus, the answer is option (B).

Question 27

Servings on Friday = 7

Serving on saturday = 1

Difference in number of servings = 7-1 = 6

Thus, option (B) is the answer.

Question 28

Considering saturday and sunday as the weekend,

Serving on saturday = 1

Servings on sunday = 3

Average number of servings = (3+1)/2 = 2

Thus, the answer is option (B).

Question 29

Median = 4

Thus, option (C) is the answer.

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