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Describe the correlation of the scatter graph
weak, positive
What is the arrow pointing at in the graph
Describe the correlation on the scatter graph
weak, negative
Calculate the mean of the data {2, 4, 6, 1, 6, 8, 10, 15, 8} to the nearest whole number
7
Find the range of the data {2, 4, 5, 6, 6, 8, 9, 9, 11, 12, 15, 16}
14
Find the interquartile range of the data {2, 4, 5, 6, 6, 8, 9, 9, 11, 12, 15, 16}
6
Name one advantage of using mode to determine the average
you can use it for numerical and categorical data
What is the median of the data set {4, 2, 3, 5, 3, 7, 3}
3
What is the mode of the data set {red, blue, yellow, red, blue, green, blue}
blue
What is the mode of the data set {2, 2, 2, 3, 3, 3, 3, 5, 5}
3
Calculate the mean of the set {2, 2, 3, 5, 9, 9}
5
What value is the correlation coefficient measured between?
-1 and 1
What would the correlation coefficient be of a scatter plot whose data has no relationship.
0
Describe the correlation of the scatter graph
strong negative
Describe the correlation of the scatter graph
strong positive
Describe the distribution of data
Positively skewed (right skewed)
Describe the distribution of data
symmetrical / systemic
20 people were surveyed, 5 people like football. Calculate how many degrees that would be if represented on a pie chart?
90
How many degrees are in a circle?
360
Draw a line plot displaying this information: 5 people like chocolate, 4 people like crisps, 6 people like sweets.
How many people like red?
What type of data is 'height'?
Numerical (continuous)
What type of data is 'car colour'?
categorical (nominal)
What are the 2 main types of data?
numerical , categorical
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