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this question has multiple partsuse the following information to answer the questions belowspatial ability test musical ability testmean 80
what would be the cutoff score to indicate a score that is in the top 15 of the scores on a test with a mean of 100 and a standard deviation of
1 this question has multiple partsfor a distribution of scores with 82 and standard deviation 25 find the followingdont forget to sketch the normal
1 compute the z scores for the following raw scores where 78 and the standard deviation 4a 72b 82c 78d 87e
a describe what a z score isb explain why they can be used to compare scores from different
you are a psychologist who has collected the subjective well-being scores of a number of elderly people aged 90 or above who are residents of an
explain what central tendency and variability are in your answer define what the mean median mode variance and standard deviation are what is the
2 bidders have identical valuations of an object for sale the value of the object is either 0 50 or 100 with equal probabilities the object is
there are two types of drivers high-risk drivers with an accident probability of 23 and low risk drivers with an accident probability of 13 in case
if the economy does well the investors wealth is 2 and if the economy does poorly the investors wealth is 1 both outcomes are equally likely the
the investor has constant wealth 1 and is oered to invest in shares of a project that either gains 32 or loses 1 with equal probabilities therefore
what does the confidence level of a confidence interval tell yousuppose that a population has mean micro and standard deviation sigma what does
in the early 1990s researchers at the ohio state university studied consumer ratings of six fast-food restaurants borden burger hardees burger king
consider the sample of 60 package design ratings given in the table
consider the following linear regression model a what does y and x1 x2 xk represent b what does betao beta1 beta2
a real estate agency collected the data shown below where y sales price of a house in thousands of
the state department of taxation wishes to investigate the effect of experience x on the amount of time y required to fill out form st 1040avg the
in new jersey banks have been charged with withdrawing from counties having a high percentage of minorities to substantiate this charge data is
a study was conducted to determine the amount of heat loss for a certain brand of thermal pane window three different windows were randomly subjected
to compare three brands of computer keyboards four data entry specialists were randomly selected each specialist used all three keyboards to enter
a consumer preference study involving three different bottle designs a b and c for the jumbo size of a new liquid detergent was carried out using a
the tastee bakery company supplies a bakery product to many supermarkets in a metropolitan area the company wishes to study the effect of shelf
you are a business analyst working for a company called combined computers pty ltd you have been asked to prepare a business report with statistics
among the students doing a given course there are four boys enrolled in the ordinary version of the course six girls enrolled in the ordinary version