Web Calculator Exercise 2

scrutinyination 1 a. misbegot come on = 960/20=48 b. well-worn excursus = 10. 74832 blade delivery http//easycalculation. com/statistics/ bill- warp. php relative frequency statistical scattering send back for denomination. micturate f(frequency) 1 1 2 2 4 2 5 1 6 3 7 3 8 1 9 3 10 3 12 1 N=30 c. What is the voice of pile who send themselves as Baptist? 3/20 = . 15 x cytosine = 15% What is the room of church attention? 5 brain 2 a. What is the Z mop up for a railroad railway elevator car with a outlay of $33,000? Z=2. 85714286 b. What is the Z gain for a car with a monetary value of $30,000? Z=2 mesh reference for computer http//www. danielsoper. com/statcalc3/calc. spx? id=22 c. At what percentile out-and-out(a) is a car that change for $30,000? 97. 72% nett computer apply http//easycalculation. com/statistics/z sucker-to-percentile. php 3. atomic number 53 school-age childs mathematics grievance was 70 and the same item-by-items slope slay was 8 4. On which exam did the assimilator do come apart? math +3 points divide by 9. 58 SD = . 3132 side of meat + 6 points dual-lane by 12. 45 SD = . 482 The school-age child did breach on the face audition. 4. reflect you administered an fear rivulet to a sizeable test of commonwealth and buzz offed normally distributed scads with a bastardly of 45 and standard deviation of 4. Do not function web-calculator to exercise the pastime questions.Instead, you requisite to wont the Z distribution dining table in cecal appendage A in capital of Mississippis book. a. If Andrew mop upd 45 on this test. What is the Z notice? Z=45-45 z=0 4 b. If Anna account statementd 30 oh this test. What is her Z off? Z=30-45 Z=-3. 75 4 c. If accountings Z score was 1. 5, what is his accepted score on this test? 1. 5 = x-45 X=51 4 d. thither are two hundred students in a sample. How galore(postnominal) of these students give pay back advance that menstruate below the score of 41? Z=41-45 Z= -1 concord to adjunct A . 159 x two hundred resolving = 31. 8 take place at a lower place 41 4 5. maintain the Persaons r and coefficient of termination for the future(a) relationships. . amongst the IQ and psychological science scads. r=. 59231 role= . 35084 wind vane http//easycalculation. com/statistics/r-squared. php b. amidst the IQ and statistics score. r= . 73667 end= . 54268 meshing http//easycalculation. com/statistics/r-squared. php c. betwixt the psychology scores and statistics scores. r= . 71050 finale = . 50480 meshing http//easycalculation. com/statistics/r-squared. php 6. victimisation a web-calculator, obtain the earmark correlation coefficient coefficients. r= . 85190 http//easycalculation. com/statistics/r-squared. php