Practice Direct Method (5.2.1.2.1.1) - Measures of Central Tendency

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8 questions

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Exercise
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6 sample questions

Question 1.
What is the Direct Method used for?
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Focus on the type of method discussed in this section.
Question 2.
In the formula X = Σ(fX) / Σf, what does Σf represent?
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Think about what is being summed in the denominator.
3Question 3.
What does Σ fX represent in the Direct Method?
- Sum of variables
- Sum of products of variables and frequencies
- Total frequency
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Think about what operations you're performing with the values.
4Question 4.
True or False: The Direct Method can only be used for continuous data.
- True
- False
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Recap the type of datasets the Direct Method is intended for.
Question 5.
A school has three groups of students with the following scores: 75 (10 students), 80 (15 students), and 90 (5 students). Calculate the mean score.
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Use the Direct Method formula to sum up the products.
Question 6.
If the housing colony also had 50 plots of 400 sq. meters, recalculate the mean plot size.
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Remember to add the new frequency and recalculate the sums.

4 more questions in this section. Enroll free to practise them all.