Diagnostic Statistic Assessment Level 001-A

The Entire Diagnostic Quiz 001-A

Please complete this Quizlet in One minute or less. Please do not use Edge, books, or any assistance known to humans or Computerkind. Finish the quiz in one minute or less.

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* 1. The area of statistics that organizes and summarizes information about a collection of actual observations is known as _______________________.

a) descriptive statistics.

b) inferential statistics.

c) population statistics.

d) analytical statistics.

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* 2. An independent variable is defined as a variable that the investigator ___________

a) measures.

b) manipulates.

c) modifies.

d) makes.

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* 3. A word that best describes inferential statistics is _________________.

a) generalizing.

b) summarizing.

c) organizing.

d) analyzing

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* 4. In a survey of religious affiliation, numbers are assigned as follows: 1-None, 2-Christian, 3-Jewish, 4-Buddhist, 5-Other. Therefore it is appropriate to conclude that _____________________.

a) two Christians equal one Buddhist.

b) a Jew is intermediate between a Christian and a Buddhist.

c) five different classes of religious affiliation are being distinguished.

d) religious affiliation can be treated as quantitative data.

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* 5. Data are quantitative if any single observation within a batch of observations represents a(n) _____________________.

a) amount or count.

b) word or label.

c) coding device.

d) bit of information.

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* 6. What is the median for the following observations: 6, 4, 8, 1, 2.

a) 3

b) 4

c) 5

d) 8

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* 7. Which one of the following is true of the mean? ____________________.

a) observations must be ordered from least to most before calculating the mean

b) equals some whole number

c) one of the less common averages

d) equals the sum of all observations divided by the number of observations

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* 8. Unlike the mode or median, the mean is affected by _____________

a) only those observations that are middle-ranked.

b) only those observations that occur most often.

c) all those observations that are extreme.

d) all observations.

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* 9. The null hypothesis _________________.

a) is tested indirectly.

b) makes a claim about a range of values.

c) usually asserts that nothing special is happening with respect to some population characteristic.

d) usually is identified with the research hypothesis.

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* 10. The level of significance indicates the __________

a) proportion of probable outcomes.

b) importance of the statistical analysis.

c) probability that a correct decision has been made.

d) degree of rarity required to reject the null hypothesis.