MEASUREMENT AND FREQUENCY INTERPRETING BASIC STATISTICS STUDY QUESTIONS (continued) normative sample of 702 university students (407 females and Factual Questions 295 males ) . The normative distribution of scores, for the full sample and 1. What percentage of the 7. What percentage of the separated by gender, is given in Table 1, in terms of cumulative females had scores at and females had scores of 38 or below 27-28? less? percentages. 2. What percentage of the males line>199 8. What percentage of the males had scores at and below had scores of 38 or less? Table 1 27 - 28 ? 9. If the test were being used for Norms for the Spelling Component Test Based on 702 University m . Compare your answers to college admissions, would a Undergraduate Students Questions 1 and 2. Based on female who had a raw score Cumulative Percentage these two answers, does it of 38 be better off if her per- Males ( N= 295) Total (N=702) appear that females or males. centile rank were derived Raw score Females (N=407) performed better on the spell- from the female norms or 99.4 9.6 HOWD JA 99.5 ATZ 29.6 99.0 ing test? Explain. the norms for the total sam- 69-70 67 - 68 98.6 4. Based on the total sample, ple (both males and females)? 97.1 99.6 6195 98.2 WONDI Of 65-66 what is the percentile rank for a Explain. 63 - 64 94.8 97.1 29febibc f 95.9 person with a raw score of 34? 0. If the test were being used 92.5 95.5 1002 nevip 93.9 61-62 5. Based on the norms for males, for college admissions, would 59-60 10 2 bed q 88.0 5 1 10 deos ti Deni 107 dns1 90.5 what is the percentile rank for a male who had a raw score 57-58 al senims 83.0 GumEde no n6 85.2 a male with a raw score of 34? of 38 be better off if his per- 55 - 56 ortw of Del 76.1 sueb 916 27 84.7 linepis9 0 79.8 6. Based on the total sample, a centile rank were derived from 53-54 70.9 79.3 bon 74.7 percentile rank of about 85 the male norms or the norms 51 - 52 67.4 s dtiw 1201 6 76.0 1 0910 219 71.4 corresponds to which raw for the total sample (both 49-50 63.4 ud norit bnis 72.3 D imon 91 67.5 scores ? males and females)? Explain. 47-48 59.0 def ammon s 68.2 and wolso 63.2 x 45-46 to 19 53.0 91032 WSY 61.2 56.7 Mailgitium er 43-44 45.0 In side 53 .3 48.8 Questions for Discussion 41-42 36.9 49.2 42.5 $291 11. The researcher states that there your raw score only or your 39-40 31.7 43.8 36.89 were 76 words on the test, but percentile rank based on your 37 - 38 25.6 38.2 31.0 the highest score in Table 1 is gender only. Which would you 35 - 36 20.5 30.2 25.0 33 - 34 16.4 TRA HOR A24 4 3HT MOR 20 4 BOX 70. Speculate on the reason choose? Why? 31 - 32 13. The norms for the total sample 1.2 17.8 for this apparent discrepancy. 29 - 30 14.3 8.1 14 .5 11.2 12. Suppose your professor admin- are based on the responses of 27-28 6.1 1291 7.9 istered this spelling test to you more women than men. Is this 11.2 go 21 25-26 4.0 1 8.7 More A 5.7 and offered to give you either a problem? Explain. 23-24 2.0webow 000.001 454 ()6.2 19gx9 09) 3.6920 000.00 21-22 1.4 d bellogeaim v 19-20 4. 1 pell deom ab 2.5 9 0.9 109 10 2Loup 3.7 NOTE . DES=000,01 KOPEC0 0 17-18 ni babivola 2.0 1 1.2 1 Coren, S. (1989). The Spelling. Component Test: Psychometric evaluation 15-16 0.3 1.0 0.4 and norms. Educational and Psychological Measurement, 49, 961-971. 0.3 Reprinted by Permission of SAGE Publications, Inc