
Little Stats Test :P
Authored by L Langman
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12th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pie chart shows the colours of 32 beads. How many green beads are there?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Paul has a beach at the end of her road. He wants to estimate the number of jellyfish at this beach. One day, he captures 50 jellyfish and marks them ethically. The next day he captures 75 and counts how many have been previously marked. What has Paul done wrong that makes the experiment void?
He has not has more than two people do it
He has done it in an environment that means the jelly fish can migrate
He has counted other animals instead of jelly fish
He has not done this experiment 3 times to get an average mean
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you estimate a median in a data set?
Add the upper and lower bound of it and divide by two
Tele the higher bound
Take the low bound
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Last year, Theeran’s pizza business averaged £27,000 income per month. This year, sales were up by 36% over the year. Calculate the average takings per month for this year.
£36,720
£37,620
£320,720
£306,720
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Theeran’s exam his final percentage is worked out using weighted averages. Paper 1 has a weight of 40. Paper 2 has a weight of 10. Paper 3 has a weight of 30. Paper 4 has a weight of 20
He scored these marks: Paper 1:73%; Paper 2:97%.; Paper 3:89%; Paper 4:100%
Work out Theeran’s final marks.
86.5%
85.5%
84.5%
85.6%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mean
What is the mean
frequency?
11.11
11.12
11.01
10.11
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is correct? 3468 to 2 significant figures
3460
3400
3500
3300
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