Confidence-interval level

Assignment Help Basic Statistics

Reference no: EM1314770

1. When the parameter mean is predicted as a single value, the technique employed is called:

a) point estimation

b) error estimation

c) interval estimation

d) inferential validity

2. Increasing the confidence-interval level from .95 to .99

a) increases the likelihood of including the population mean within its limits

b) decreases the likelihood of including the population mean within its limits

c) increases the number of degrees of freedom

d) none of these, since a confidence interval may never include the true population mean

Reference no: EM1314770

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