1. The heights of 5 out of the 38 green bean plants at Mr. Lonardo\'s greenhouse

Question

1. The heights of 5 out of the 38 green bean plants at Mr. Lonardo's greenhouse.

a) The 5 green bean plants at Mr. Lonardo's greenhouse

b) The  38 green bean plants at Mr. Lonardo's greenhouse

c) All green bean plans at greenhouse

2) Determine whether the statement describes a descriptive or inferential statistic.

A survey of 1466 people revealed that 53% smoke; therefore it can be assumed that 53% of the U.S. population smokes.

a) Descriptive Statistic

b) Inferential Statistic

3) Identify the sampling technique used for the following study.

First, the population is subdivided by city. Then a crime researcher uses a random number generator to select fifty members from each city to study.

a) Census

b) Simple Random Sampling

c) Stratified Sampling

d) Cluster Sampling

e) Systematic Sampling

f) Convenience Sampling

Explanation / Answer

2.) Answer (b) Inferential statistic

Reason Inferential statistics are techniques that allow us to use samples to make generalizations about the populations from which the samples were drawn.

3.) Answer (c) Stratified Sampling

Reason Stratified sampling is a probability sampling technique wherein the researcher divides the entire population into different subgroups or strata, then randomly selects the final subjects proportionally from the different strata.

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