Question | Answer |
Q1 Level 1: MODE -A statistical term that refers to the most frequently occurring number found in a set of numbers | a
|
Q1 Level 2: What is the mode of the following data: 3, 4, 2, 2, 2, 3, 4, 5, 2, 5, 5, 5, 6, 2 | 2
| Q1 Level 3: When could it be important to work out the mode of some data? | a
| Q2 Level 1: List the sample space for a coin flip | Heads, Tails
| Q2 Level 2: What is the probability of heads? | 1/2, 50%
| Q2 Level 3: Express the probability of flipping tails as a fraction in smallest possible form | 1/2
| Q3 Level 1: DEFINITION – “Range of results” The range of a set of data is the difference between the highest and lowest values in the set | a
| Q3 Level 2: What is the range for the following data: 45,23,12,40,45,45,45,60,5,45,65 | 60
| Q3 Level 3: When could it be important to work out the range of results for some data? | a
| Q4 Level 1: DEFINITION – “Median” To find the Median, place the numbers you are given in value order and find the middle number | a
| Q4 Level 2: Calculate the median of the following 13, 23, 11, 16, 15, 10, 26 | 15
| Q4 Level 3: FACT If there are two middle numbers you average them both to get the MEDIAN | a
| Q5 Level 1: Construct a steam and leaf plot for the following data: 38, 33, 35, 35, 27, 29, 31, 15, 48, 29, 9 | a
| Q5 Level 2: What is the range of results? | a
| Q5 Level 3: What is the mean of the results? | a
| Q6 Level 1: What is the likelihood of the sun rising tomorrow morning? | a
| Q6 Level 2: What is the likelihood of the month of November seeing zero rain fall in the west coast of Tasmania? | a
| Q6 Level 3: What is the likelihood of getting a $1 coin back from the supermarket after you buy 4 bananas for $3.95 paying with a $5 note | a
| Q7 Level 1: DEFINITION “Mean” Mean is what most people commonly refer to as an average. The mean refers to the number you obtain when you sum up a given set of numbers and then divide this sum by the total number in the set. | a
| Q7 Level 2: What is the mean of the following data: 55,34,12,12,13,4,6,4 | a
| Q7 Level 3: When could it be important to calculate the mean of some data? | a
| Q8 Level 1: Calculate the probability of selecting the following cards if a card is drawn at random from a full deck (52 cards). Pr (A king) | a
| Q8 Level 2: Calculate the probability of selecting the following cards if a card is drawn at random from a full deck (52 cards). Pr (A queen) | a
| Q8 Level 3: Calculate the probability of selecting the following cards if a card is drawn at random from a full deck (52 cards). Pr ( A black card and a jack) | a
| Q9 Level 1: If the probability of an event is 1/3 then the probability of the complement is ? | 2/3
| Q9 Level 2: If the probability of an event is 6/20 then what is the probability of the complement is ? | 14/20
| Q9 Level 3: If the probability of an event is 67% then the probability of the complement is ? | 33%
| Q10 Level 1: When a die is rolled once, what is the probability of landing on the following? Pr (3) | 1/6
| Q10 Level 2: When a die is rolled once, what is the probability of landing on the following? Pr (<3) | 1/2
| Q10 Level 3: When a die is rolled once, what is the probability of landing on the following? Pr (Even) | 1/2 |