Measures of Position with boxplot

Using the table, what is the lower bound of Q₃?

• 80.5

• 82.5

• 84.5

• 86.5

Using the table, what is the value of i?

• 2
• 3
• 4
• 5

Using the table, what is the value of cf_b of D₈?

• 45
• 47
• 49
• 51

Using the table, what is the frequency of the 90th percentile class?

• 4

• 6

• 23

• 10

Using the table, compute P₃₀.

• 70.38
• 76.37
• 78.12
• 80.4

Using the table, compute P₆₀.

• 80.2
• 80.28
• 80.16
• 80.82

Using the table, compute Q₃.

• 80.5
• 81.5
• 82.5
• 84.5

Using the table, compute D5.

• 78.2
• 78.3
• 78.86
• 78.98

Using the table, compute Q1.

• 70.72
• 73.72
• 75.72
• 78.72

A box-and-whiskers plot is constructed from the Five Critical Points. What are they?

• Minimum, Q₁, Q₂, Q₃, Maximum

• Mean, Median, Mode, Range, Standard Deviation

• Minimum, Quartiles, Deciles, Percentiles, Maximum

• Range, Variance, Quartiles, Deciles, Percentiles