Spearman's rank practice

If you have 2 values tied for the 6th and the 7th place, then what rank do you put for both of them?

• 6

• 7

• 6.5

• It depends on the actual values for the 6th and 7th ranked data pieces.

The spearman's rank correlation coefficient for the Yr 10 Maths and English scores is 0.81. Which of the following is true?

• There is a strong negative correlation

• There is a strong positive correlation

• There is a weak positive correlation

• There is a weak negative correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.9

Two ice skating judges mark ice skating performances. The spearman's rank correlation coefficient for their scores is 0.17. Which of the following is true?

• They agreed on the their scores

• They gave opposite scores

• There was no relationship between the scores.

Tags

CCSS.HSS.ID.C.9

Which is a reason we would not use Spearman's Rank Correlation Coefficient?

• Data follows a linear trend

• Data follows a non-linear trend

• There are data points not necessarily in line with the rest of the data but they are still not outliers

• The r_p is not showing a strong correlation for a given set of data

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.9

What does Spearman's Correlation Coefficient tell us?

• How strong the correlation between the data is

• A line of best fit for the data

• How strong an upward or downward trend the data has

• If the correlation between our variables is linear or non-linear

Which graph represents the rank scatterplot of this scatterplot?

• 
• 
• 

Tags

CCSS.HSS.ID.B.6

Write down the value of the Spearman's rank correlation coefficient for the set of data.

• -1

• 0

• 1

• So you are telling me there is a chance.

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Write down the value of the Spearman's rank correlation coefficient for the set of data.

• -1

• 0

• 1

• Yellow

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Write down the value of the Spearman's rank correlation coefficient for the set of data.

• -1

• 0

• 1

• 7

Use the rankings from the table to find Spearman’s rank correlation coefficient for Sets A and B (3 significant figures)