1) Write down the modal class interval a) 0 ≤ t < 5 b) 5 ≤ t < 10 c) 10 ≤ t < 15 d) 15 ≤ t < 20 2) Which group contains the median? a) 0 ≤ t < 5 b) 5 ≤ t < 10 c) 10 ≤ t < 15 d) 15 ≤ t < 20 3) Find an estimate for the mean (rounded to 1 decimal place) a) 25.2 b) 657.5 c) 25.3 d) 25.29 e) 25.1 4) Write down the modal class interval a) 1.50 ≤ h < 1.60 b) 1.60 ≤ h < 1.70 c) 1.70 ≤ h < 1.80 d) 1.80 ≤ h < 1.90 5) Which group contains the median? a) 1.50 ≤ h < 1.60 b) 1.60 ≤ h < 1.70 c) 1.70 ≤ h < 1.80 d) 1.80 ≤ h < 1.90 6) Find an estimate for the mean (rounded to 2 decimal place) a) 1.67 b) 1.686 c) 1.68 d) 1.69

Averages From a Grouped Data

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