1. The weight of a person is considered to be a discrete variable. TRUE OR FALSE
2. A single, extremely small value can affect the median more than the mean. TRUE OR FALSE
3. Which of the following variables is not categorical? a.) IQ b.) Marital status c.) Gender d.) Eye color
4. If the standard deviation of a study population is 11, the population variance is 121. TRUE OR FALSE
5. Which of the following best describes for data that were collected originally from the different individuals for research purpose? a.) Primary Data b.) Secondary data c.) Experimental Data d.) Raw data
6. The human resource staff that determines the association of educational qualifications and the performance level of sales agent of a certain company uses the inferential statistics. TRUE OR FALSE
7. A summary measures calculated from the sample data is called a.) an outlier b.) a sample statistic c.) a sample parameter d.) a population parameter
8. Inferential statistics consist of techniques that allow us to study samples and then make generalizations about the populations from which they were selected. TRUE OR FALSE
9. Justin got a score of 85 on an GE MMW examination for which the mean is 75. Justin realized that the z - score for his exam result is 0.71. What is the standard deviation for the set of GE MMW exam scores? a.) 14.08 b.) 16.08 c.)15.07 d.) 13.07
10. The mean is not appropriate if extremely large values are included in the data set. TRUE OR FALSE
11. A market analysts that tested the difference on the consumers buying preference in different brands of coffee uses the descriptive statistics. TRUE OR FALSE
12. In any data set, the mode will always be unique. TRUE OR FALSE
13. The measure of dispersion is a numerical value that describes how widely the data are disperse about a central value. TRUE OR FALSE
14. During the scholarship examination of a certain scholarship grant taken by 10,000 applicants, Annabelle score was 350 greater than the scores of 8995 applicants who took the examination. What is the percentile of Annabelle's score? a.)86^th Percentile b.) 85^th Percentile c.) 90^th Percentile d.) 88^th Percentile
15. The science of statistics is/are which of the following: a.) interpretation of data b.) Presentation of data c.)Organization of data d.) All of them
16. A course professor rated his students on 5 different short exams, major projects, and long examinations. Each short test is worth 5% of the final grade while the projects count 35% of the final grade. The long examination composed the remaining 40% of the final grade. Annabelle had scores in her 5 short examinations, 95, 90, 80, 75, 85. Her major projects had a rating of 90 while her long examination score was 88. Determine Annabelle's final grade for the course a.)87.95 b.) 77.95 c.)78.95 d.)85.95
17. The ratio is considered the "highest" level of data and the data must be mutually exclusive.. TRUE OR FALSE