Statics Probability Question:

We do not know whether the pattern of results found in our samples accurately reflects what is happening in the population or if it is the result of _____ error.

Statics Probability Interview Question
Statics Probability Interview Question

Answer:

1. Distribution
2. Mean
3. Sampling
4. Confidence

Answer: sampling


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Suppose that some assessment results for two types of offenders (sex offenders and violent offenders) were 60 and 50 respectively. Which type of offender did better in comparison to other offenders on the treatment course and which may need further treatment? The group means and SDs are 50 and 9 for sex offenders and 45 and 3 for violent offenders.Normal distribution theory tells us that for large samples, 95% of sample means lie within how many standard deviations above and below the population mean?