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1 on the basis of the information above is it possible to determine the mode of the distribution of 10 scores if yes
1 if the mean of the original distribution of 10 scores is 48 what is the value of the mystery score explain how you
1 look again at the cartoon by gary larson pat says the average american family has 15 children leslie says but theres
at a state university the first-year class numbers about 360 until recently few semifinalists or finalists in the
1 a researcher finds that the mean of her distribution of measures is 120 and the median is 130 what can you say about
a psychologist conducts a learning experiment in which she records the time it takes rats to run through a maze for
1 some years ago a newspaper editor claimed that more than half of american families earned a below-average income is
1 we want to compare the variability of the two sets of reaction time scores in data 3aa find the range of both
1 a construct a frequency histogram from the data for the good mood condition in data 2b problem 13 in chapter 2b
in a university male psychology majors are distributed as follows 24 freshmen 61 sophomores 109 juniors 104 seniors and
1 plot relative frequency polygons for the two sets of scores in data 3a on the same graph compare the two
a distribution of scores and the general social survey refer to exercise 643 again pretend that the gss sample is the
an experimenter may wear two hats that of subject-matter expert and that of statistician is our experimenter wearing
1 the subject of statistics is often divided into two parts descriptive and inferential briefly describe each2 for the
we are interested in the choices of majors of this years entering freshmen at our university we randomly survey 10 of
1 is it possible to draw a correct statistical conclusion yet reach an incorrect research conclusion explain your
if the effect of the act of measurement is disregarded which of the following variables are best regarded fundamentally
1 temperature is considered to be an example of a continuous variable what kind of variable is formed when we measure
1 in one state voters register as republican democrat or independent and records of the total registration are kept
1 with an interval scaleis it proper to consider that an increase of 20 points is twice as much as an increase of 10
dr jones the history professor administers a 30-item test the first day of class to ascertain his students initial
for each of the following intervals give the interval width the real limits the apparent limits of the next higher
in making a frequency distribution you set the real limits for the lowest two intervals at 295-395 and 395-495 a friend
1 when you group scores following the guidelines does it matter whether you start with the highest scores or the lowest