Answer to Question #249139 in Other for Jenelle

Question

b) The number of planes to arrive at the Dubai International Airport over N days were recorded and inputted into MINITAB for analysis. Exhibit 1 was subsequently generated.

Exhibit 1

Stem-and-Leaf Display: No. of Arrival

Leaf Unit = 1 N =*

5

2

01123

10

2

56899

**

3

0001123

(***)

3

6666678888

12

4

01134

7

4

57789

2

5

00

i. Calculate he missing values *, ** and *** [3]

ii. Find the value of the

a) Median [1]

b) Highest value [1]

c) Mode [1]

c) Using the stem and leaf diagram in Exhibit 1,

i. Form a frequency table by identifying the class intervals implicitly. [2]

Using the table created in 2ci) above,

ii. Calculate the sample mean [2]

iii. Calculate the sample variance

Answer 1

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