A researcher finds that his data are normally distributed around a mean of 168. Is he right in assuming that 95% of his sample cases will be within the range 148.4 to 187.6?
A) Yes
B) No
C) Depends on the nature of the experiment
D) Can't say. Need more information
Correct Answer:
Verified
Q1: Even when the distribution of the variable
Q2: The idea behind sampling is to:
A) obtain
Q3: Sampling distribution tells us:
A) the probability of
Q4: The difference in the precision of an
Q6: The precision of an estimate is affected
Q7: A deft value of 3 indicates:
A) that
Q8: Quota sampling divides the sample up into
Q9: Unit non-response is when:
A) only one of
Q10: Which of the following statements is true?
A)
Q11: A researcher wishes to study the correlation
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