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suppose the correlation coefficient between the sat verbal score and iq is r 50 what z score on the sat verbal test do
suppose x iq with x 100 and sx 15 while y sat verbal score with y 500 and sy 100 use the standardscore formula for the
suppose x 50 sx 10 y 200 and sy 30 what is the value of r for each of the following circumstancesa for x 40 the
1 suppose x 55 sx 12 y 118 and sy 27 for a case that stands at 55 on x the regression equation predicts that y118 can
for the 19 students in a statistics course where x height in inches and y weight in pounds x 6918 sx 301 y 14742 sy
the following data are for freshman students at spartan universitya write the raw-score regression equation for
at smart university all new freshmen are given an english proficiency exam during the week of registration scores are
general machines company is hiring new employeesthe positions require some basic arithmetic skills but the company is
state university has no honors english course but instead places all freshmen scoring at least 60 on a proficiency exam
to join the national organization mensa you must provide verified evidence that you scored at least 150 on the wechsler
seven thousand runners enter a local marathon in which they can qualify to enter the new york city marathon if they
seven students made the following scores on two quizzes x and y student abcdefg score on x3 9 7 8 467 score on y2 78 6
1 same as problem 1a-1b except substitute the following data student h i j k l m score on x7 21 6 5 3 score on y 7 6 12
a consider the data for problem 6 about the relationship between smoking and lung cancer translate these scores to
1 in what sense do linear transformations involve a straight line2 an r of 60 was obtained between points earned on a
the more cigarettes a person has smoked over his or her lifetime the greater the probability that the person has
a ninth-grade science teacher gives a standard achievement test to his class and finds that x 90 with sx 8 for a
distribution x is 15 14 11 11 9 and 6 using the deviation-score method finda the variance andb the standard deviation
in 88 infantsresearchers measure the change in heart rate before and after brightening the room the distribution of
in reporting the frequency distribution of annual household income the statistical abstract of the united states uses
the standard deviation of a set of scores is 20 what will the standard deviation become ifa 15 points are added to each
1 a students grade on a very difficult english exam is 85what can we say about the merits of the students performance
1 susan and robin are arguing about who did better on their final exams susan got an 88 on her psychology final exam
it will help you learn how to apply the formulas for the variance and standard deviation if you work many problemsyou
1 in the population of adult americans the variable iq is found to be normally distributed discuss the similarities and