What is the probability of landing on blue or orange?
2/5 or 40%
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20
If you roll a standard die 90 times, how many times would you expect to get a number more than 4?
30
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15
A survey question asks how many cars you own. What type of data is being collected? (Continuous, Discrete, Ordinal or Nominal)
Discrete
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25
Angela scored the following runs in her last seven cricket matches. If she scores 25 in her next match, how will it affect the mean and median?: 3, 5, 8, 8, 8, 17, 17
The mean will increase, the median will stay the same
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20
What is the median?
3
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20
Bob is a Year 8 student who wants to find out the favourite sport of Year 8 students at his school. He surveys his own class to get results. What is the sample in this case?
His class.
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25
What is the median?
46
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baam
Lose 20 points!
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star
Double points!
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shark
Other team loses 25 points!
Okay!
thief
Give points!
5
10
15
20
25
boom
Lose 50 points!
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fairy
Take points!
5
10
15
20
25
gift
Win 20 points!
Okay!
thief
Give points!
5
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20
25
15
Looking at the frequency table, which score is the mode?
3
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20
What is the mean of the following data set: 3, 8, 8, 8, 11, 17, 17
10.29
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15
What is one difference between a histogram and a column graph?
No gaps between columns. Column graphs generally for categorical data.
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20
Jack gets the following results on a survey: 31, 40, 40, 43, 51, 52, 52, 58, 60, 67, 73, 75. Would a column graph or stem-leaf plot be best to display the data?
Stem and Leaf plot
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baam
Lose 5 points!
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gift
Win 25 points!
Okay!
gift
Win 10 points!
Okay!
thief
Give points!
5
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20
25
15
The 2-way table shows results from students in a class. What is the probability of randomly picking someone who is left-handed?