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11
Which of the following steps would be included in hypothesis testing?
1. State the null and alternative hypothesis.
2. Set the significance level before the research study.
3. Eliminate all outliers.
4. Obtain the probability value using a computer program such as SPSS.
5. Compare the probability value to the significance level and make the statistical decision.
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Answer & Solution
Answer: Option C
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12
Which one of the following is not the correct property of normal distribution?
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Answer: Option C
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13
While calculating which mean the next year's value is included but the previous value is not omitted?
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Answer: Option B
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14
Probable error is-
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Answer & Solution
Answer: Option A
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15
Which of the following can be reduced by proper interviewer training?
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Answer: Option C
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16
The price index that uses base year quantities as weights is called
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Answer: Option B
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17
E(x + y) = ?
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Answer: Option A
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18
Which one of the following index number is based on geometric mean?
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Answer: Option B
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19
All the properties of order, interval and zero origin are simultaneously possessed by:
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Answer: Option C
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20
Arrange the following steps in sequence in constructing histogram.
1. Convert frequency table into equal class interval.
2. Check that class intervals are shown on X-axis and frequencies on the Y-axis.
3. Check that height of the rectangle is proportional to the respective frequency of grouped data.
4. Check that width of the rectangle represent the class interval.
5. Each rectangle is then joined.
Select the correct answer using the options given below
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Answer: Option B
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