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CBSE
Class 10
Mathematics
Mathematics
Statistics
Question Bank

If a grouped frequency table s...

Single Answer MCQ
Q-00174455

If a grouped frequency table shows a mean of 30, what does that imply?

1

The scores are all below 30.

2

The average score is greater than the highest score.

3

The data is evenly distributed around 30.

4

Some scores are above and some below 30.

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Q1.

What is the mode of the following grouped data? Age (in years) | No. of patients: 5-15 | 6, 15-25 | 11, 25-35 | 12, 35-45 | 23, 45-55 | 14, 55-65 | 5.

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Q2.

In a frequency distribution of lifetimes (0-20 | 10, 20-40 | 35, 40-60 | 26, 60-80 | 13, 80-100 | 38, 100-120 | 29), what is the modal range?

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Q3.

How do you calculate the class interval for the mode of grouped data?

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Q4.

If the mode is determined from a frequency distribution, why might it sometimes not represent the data accurately?

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