Gerry is carrying out a survey on the students in his class - Junior Cycle Mathematics - Question 6 - 2017
Question 6
Gerry is carrying out a survey on the students in his class.
His questions are about the apps and social media they use.
(a) Write a question that Gerry could use ... show full transcript
Worked Solution & Example Answer:Gerry is carrying out a survey on the students in his class - Junior Cycle Mathematics - Question 6 - 2017
Step 1
Write a question that Gerry could use that would give numerical data.
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Answer
How many hours do you spend on social media each week?
Step 2
Write the 9 different options Gerry could choose for his phone into the table below...
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Answer
8
B
8
W
8
S
16
B
16
W
16
S
32
B
32
W
32
S
Step 3
Find how many different options Gerry could choose for his phone, taking into account memory size, colour, and screen size.
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Answer
Gerry has 3 memory sizes, 3 colors, and 2 screen sizes. Thus, the total combinations are calculated as:
3ext(memorysizes)imes3ext(colors)imes2ext(screensizes)=18extoptions
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