Laspreyer's formula
A. $${L_{p01}} = \frac{{\sum {P_1}{q_0}}}{{\sum {P_0}{q_0}}} \times 100$$
B. $${L_{p01}} = \frac{{\sum {P_1}{q_0}}}{{\sum {P_1}{q_1}}} \times 100$$
C. $${L_{p01}} = \frac{{\sum {P_1}{q_0}}}{{\sqrt {\sum {P_1}{q_1}} }} \times 10$$
D. None of these
Answer: Option A
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The difference between sample statistic and its corresponding population parameter is
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B. Measurement error
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A. Both (A) and (R) are true
B. (A) is true, but (R) is false
C. (A) is false, but (R) is true
D. Both (A) and (R) are false
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