Answer:
Your rule is: Multiply 2, Add 1
Step-by-step explanation:
Check:
2 x 2 = 4 + 1 = 5
5 x 2 = 10 + 1 = 11
11 x 2 = 22 + 1 = 23
23 x 2 = 46 + 1 = 47
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Answer:
9
Step-by-step explanation:
Answer:
Solution answer is 
Step-by-step explanation:


then

So
Solution answer is 
The stem and leaf diagram is shown below
There are a total of 48 data
Question a:
The frequency in the stem for 9 to 9.9 is 13 data
Question b:
The location of the first quartile is given by

, where 'n' is the number of data
We have n = 48
Location of the first quartile is at

rounded down to 12
The value of the lower quartile is on the

on the diagram which is 8.7
Answer:
6 and 3
Step-by-step explanation:
6 x 2 = 12 + 3 = 15
6-3 = 3
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