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exploratory data analysisa perform exploratory data analysis on all variables in the data set realizing that you have six groups be sure that your
there are assumptions of multiple regression one of them is the residuals are independent this means that successive observations of the dependent
hemmingway inc is considering 5million research and development rampd project profit projections appear promising but the companys president is
1 what is the purpose of conducting an experiment how does an experimental design accomplish its purpose2 what are the advantages and disadvantages
a group of statistics students decided to conduct a survey at their university to find the average mean amount of time students spend studying per
in studies for a medication 13 percent of patients gain weight as a side effect suppose 514 patients are randomly selected use the normal
a file cabinet manufactor estimates that 5 of its file cabinets will have drawers that close improperly assume a production of 120 cabinets is
directions answer each of the following questions show your work or explain how you arrived at your conclusion whenever appropriate use your
rocky mountain tire center sells 9000 go-cart tires per year the ordering cost for each order is 40 and the holding cost is 50 of the purchase price
quality control is an important issue at acme company which manufactures light bulbs in order to conduct testing of the life hours of their light
in order to monitor the ecological health of the florida everglades various measurements are recorded at different times the bottom temperatures are
1write your response to the following questionwe often hear you can lie with statistics this is one way of saying statistics can be easily
calculate the standard deviation of the data for this calculation compute the difference between each one of the observations and the mean this
a population of 200 voters contains 78 republicans 120 democrats and 2 independents and members of other parties a simple random sample of 20 voters
question 1a biostatistician finds the relationship between the number of weeks x spent in a hospital and number of seizures per week y and is
in a poll respondents were asked if they have traveled to europe 68 respondents indicated that they have traveled to europe and 124 respondents said
a datset is provided on a 3 factor factorial on the amount of rot on a potatoe crop the variables aretype of bacteriatemperature leveloxygen
briefly restate your research area of interesta identify at least 2 variables for which you would utilize a repeated-measures anova in your analysisb
on october 22 you plan to purchase a 3000 computer by using one of your two credit cardsthe silver card charges 18 interets and calculates interest
1 a datset is provided on a 2 factor experiment on the amount of crop yield from 3 different farming methods and 4 different types of field assume
ten weeks of data on the commodity futures index are 735 740 755 756 760 752 752 770 762 and 755a construct a times series plot what type of pattern
a baseball player would like to conduct an experiment to determine how the weight of his bat the speed of a pitch and the type of pitch affect the
mark gershon owner of a musical instrument distributorship thinks that demand for guitars may be related to the number of television appearances by
you will submit one word document for this assignment you will create this word document by cutting and pasting spss output into word and naming the
prepare a 2 slide microsoft powerpoint presentation with speaker notes how to use a z-test to test the null hypothesis and give an example of z-test