Sample Examination One - La Jolla High School

More documents

Recommendations

Info

ta Sample Exarnination One Section I 23. A study rvas done to deterntine if the method of instruction (either lecture or discr"lssion) depended on the type of class r.r&ich was being taught. Twenff aft classes, seventeen math classes and tr,venty-five science classes r.vere observed. The method of instruction, discussion or lecture, was recorded. Which of the follorving best describes the reiationship betrveen method of teaching and type of class? rA) (B) (c) (D) art. s 5 math 1-2 science 15 A: -^ u*ouUSS lec t-ure l_5 5 10 There appears to be no relationship since the number of discussion class and the number of lecture classes rvas exactly the same. No association can be detennined since the number of art. math and science classes rvere not exactly the same. There appears to be an association since the art class was less likely to use discussion then either math or science. There appears to be an association since the number of math and science classes is greater thar-r the number of arts classes. (E) A measure of association cannot be determined from these data. 21. A researcher interested in the age at which women are having their first child surveyed a simple random sample af 250 women having at least one child and found a approximately normal distribution with a mean age of 27 .3 and a standard deviation of 5.4. According to the empirical rule, also known as the 68-95-99"7 rule, approximately 95% of the women had their first child between the ases of (A) 11.1 years and 43.5 years (B) 16.5 years and 38.1 years (C) 21.9 years and32,7 years (D) 21.9 years and 38.1 years (E) 25.0 years and 29.6 years Unauthorized copying or leusing any part of lhis page is illegal. Answer Answer
Section I Sample Examination One t3 25. You want to estirnate the mean SAT score for a population of students with a 90% confidence interval. Assume that the population standard deviation is O= 100. If you want the margin of error to be approximately 10. which of the follorving would be the desired minimal samPle size? (A) 16 (B) 38 (c) 100 D\ 271 (E) 1476 26. Ata certain high school, all students who take AP Psychology also take AP Statistics" Frorn past records, the probability that a student gets a 5 in AP Psychology is onefourth. The probability a student gets a 5 on the AP Statistics exam is one-seventh. What is the probability that a student will get at least one 5 when taking both exams (A) I. if the two events are independent? II. if the students getting a 5 on the AP Statistics exam are a subset of those students getting a 5 on the AP Psychology exam? (B) (c) (D) (E) 11 1 x,4 11 I x,7 91 n,4 91 n,7 51 T4,4 nAnswer EAnswer or reusing any pad of this Page is illegal
Page 1 and 2: Sample Examination One Section I Ti
Page 3 and 4: Section I Saxnple Exarnination One
Page 5 and 6: Section I Sample Examination One 7.
Page 7 and 8: Section I Sample Exarnination One 1
Page 9 and 10: Section I Sample Exarnination 0ne i
Page 11: Section I Sample Exarnination One I
Page 15 and 16: Section I Sample Examination One t5
Page 17 and 18: Section tr Sample Examination One l
Page 19 and 20: Section I Sample Examination One 37
Page 21 and 22: Section I Sample Examination One 2l
Page 23 and 24: Section trI Sample Examination One
Page 25 and 26: Section [l Sample Examination One 2
Page 27 and 28: Section II Sarnple Exarnination One
Page 29: Section II Sawrple Examination One

Sample Examination One - La Jolla High School

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?