Statistics

Statistics

45. This distribution is used to describe the time between consecutive events that are random in a random, non- reoccurring process. a. Bernoulli Distribution b. Chi-squared Distribution c. F-Distribution d. Exponential Distribution a. A population is what the researcher wishes to study; a sample is a group selected from the population that holds the highest level of statistical power. b. A population is what the researcher wishes to study; a sample is a group selected from the population that the researcher chose at random. c. A sample is what the researcher wishes to study; a population is a group selected from the sample that holds the highest level of statistical power. d. A sample is what the researcher 46. Choose the correct statement.

48. In this sampling technique, sampling is grouped by geography or other defining population characteristics (such as generations). a. Systematic b. Cluster c. Panel d. Stratified 49. In this sampling technique, the sample is reduced by asking questions that would narrow down the given sample. a. Systematic b. Cluster c. Panel d. Stratified

50. The standard deviation is represented by the following symbol.

a. σ b. X c. SD d. µ

51. A confidence interval is used to _______. a. Indicate the reliability of a statistical estimate b. Explain the range of values from lowest to highest c. Represent the standard deviation d. Help the statistician increase accuracy

wishes to study; a population is a group selected from the sample that the researcher chose at random.

47. In this sampling technique, all subsets of the given frame have an equal opportunity of being selected. a. Systematic b. Panel c. Simple Random d. Stratified

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