Please answer the "Factual questions" attached along with the information attached.

STATISTICAL GUIDE The amount of variability in a distribution is a very important feature of a distribution. It's so important, in fact, that it has multiple names, like dispersion or spread. The standard deviation To review mean and (SD) is a yardstick for measuring variability in a distribution. If the standard deviation is small, median, see Exercise 2.1. the scores in a distribution will mostly huddle close to the mean. If the standard deviation is To review range, see large, the scores in a distribution will be more widely dispersed from the mean. In fact, you can Exercise 2.2. To review think of the standard deviation as the average amount scores differ, or deviate, from the mean normal distribution, see Exercise 3.8. In a normal distribution (i.e., a type of symmetrical, bell-shaped distribution), 34% of cases are within one standard deviation above the mean and 34% are within one standard deviation below the mean. For instance, if the mean equals 50.00 for a normal distribution and one standard deviation unit equals 10.00, then 34% of the cases lie between 40.00 and 50.00, and 34% lie between 50.00 and 60.00. Thus, 68% of the cases lie within 10 points of the mean (i.e., 68% lie between 40.00 and 60.00). EXCERPT FROM THE RESEARCH ARTICLE1 This study was conducted at a Chinese community center in a southwestern city of the United States A convenience sample of youths aged 14 to 18 years old was recruited via posters and word of mouth at the center's after-school volunteer program and Chinese-language school for high school students The AVS [Asian Values Scale] uses a modified Likert-type scale in which 1 = strongly disagree, 2 = moderately disagree, 3 = mildly disagree, 4 = neither agree nor disagree, 5 = mildly agree, 6 = moderately agree, and 7 = strongly agree. Scores were based on responses to 36 statements written at a middle school reading level. . . . The six Asian cultural values themes explored were (1) collectivism, (2) conformity. (3) emotional self-control, (4) family recognition, (5) filial piety, and (6) humility. p.35 35 Each statement in the scale reflected one of the above themes. Using the AVS as a continuous scale, scores for level of adherence to Asian values can range from 36 to 252; those with lower scores demonstrate a lower adherence to Asian values, whereas those with higher scores demonstrate a higher adherence. Fifty-two youths were interested in participating in the study, and 31 youths completed the entire study. The mostEXCERPT FROM THE RESEARCH ARTICLE This study was conducted at a Chinese community center in a southwestern city of the United States .. A convenience sample of youths aged 14 to 18 years old was recruited via posters and word of mouth at the center's after-school volunteer program and Chinese-language school for high school students. The AVS [Asian Values Scale] uses a modified Likert-type scale in which 1 = strongly disagree, 2 = moderately disagree, 3 = mildly disagree, 4 = neither agree nor disagree, 5 = mildly agree, 6 = moderately agree, and 7 = strongly agree. Scores were based on responses to 36 statements written at a middle school reading level. .. . The six Asian cultural values themes explored were (1) collectivism, (2) conformity. (3) emotional self-control, (4) family recognition, (5) filial piety, and (6) humility. p.35 35 Each statement in the scale reflected one of the above themes. Using the AVS as a continuous scale, scores for level of adherence to Asian values can range from 36 to 252; those with lower scores demonstrate a lower adherence to Asian values, whereas those with higher scores demonstrate a higher adherence Fifty-two youths were interested in participating in the study, and 31 youths completed the entire study. The most common reasons for nonparticipation were the time commitment and lack of interest. AVS scores for the study population ranged from 109 to 206; the mean score was 155.1 (+ SD 20.7), and the median score was 152. For boys, the mean score was 152.7 (+ SD 17.6), with a range of 109 to 176 and a median score of 154.5. For girls, the mean score was 158.3 (+ SD 24.7), with a range of 127 to 206 and a median of 151. STUDY QUESTIONS Factual Questions 1. In the excerpt, the mean is reported as a measure of central tendency. What other measure of central tendency is also reported?STUDY QUESTIONS Factual Questions 1. In the excerpt, the mean is reported as a measure of central tendency. What other measure of central tendency is also reported? 2. Which two statistics in the excerpt are measures of the variability in the scores? 3. Assuming that the distribution of scores for the study population is normal, what percentage of participants had scores between 134.4 and 175.8? 4. Assuming that the distribution of scores for the study population is normal, what percentage of participants had scores between 155.1 and 175.8? 5. Assuming that the distribution of boys' scores is normal, what percentage of boys had scores between 135.1 and 152.7? 6. Based on the standard deviations, do boys or girls have greater variability in their scores? 7. Assuming that the distribution of scores is normal, the middle 68% of boys had scores between what two values? 8. Assuming that the distribution of scores is normal, the middle 68% of girls had scores between what two values? .36 36 Questions for Discussion 9. The researchers state that they used a "convenience sample." What is your understanding of the meaning of this term? Is such a sample the best type to use in social science research? Explain. 10. Does the fact that only 31 of the 52 youths completed the study affect your confidence in the results of this study? Explain NOTE Lau, M., Markham, C., Lin, H., Flores, G., & Chacko, M. R. (2009). Dating and sexual attitudes in Asian American adolescents. Journal of Adolescent Research, 24, 91-113. Reprinted by Permission of SAGE Publications, Inc