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1 you roll a die winning nothing if the number of spots is odd 3 for a 2 or a 4 and a 18 for a 6a find the expected
a study was conducted to evaluate the hypothesis that tea consumption and premenstrual syndrome are associated a group
suppose the survival times in months since transplant for eight patients who received bone marrow transplants are 30 45
1 adult american males have normally distributed heights with a mean of 58 feet and a standard deviation of 02 feetwhat
recall the lady tasting tea example suppose that instead of being given four cups with milk poured first and four cups
1 apply the sign test to the above example did the results change which test is more powerful the sign test or the
the dataset contained in the problem 4 excel file gives data on moisture content for specimens of a certain type of
apply the wilcoxon rank-sum test to the following problem we have modified the data from the pig blood loss experiment
the following table shows the home run production of five of baseballs greatest sluggers over a period of 10 years each
1 the scores in mathematics of 15 students are given below find range sample variance and standard deviation93 85 78 79
analysis of variance may be used in an industrial setting for example man- agers of a soda-bottling company suspected
a botanist wants to determine the effect of microscopic worms on seedling growth he prepares 16 identical planting pots
1 why does one use a tukeys hsd rather than a t test when comparing mean differences in anova2 samples were taken of
1 give an example of a logistic regression problem how is logistic regression different from multiple linear regression
1 when one of the five predictor variables in the preceding example is elimi- nated from the analysis the value of r2
1 what is the difference between a simple and a multiple regression equation 2 give an example of a multiple regression
in a study on the elimination of a certain drug in man the following data were recordedtime in hoursxdrug concentration
1 provide the following information regarding outliersa what is the definition of an outlierb are outliers
1 in the text a correlation matrix was described using your own words ex- plain what is meant by a correlation matrix
a multiphasic health examination was administered to 1000 employees of a pharmaceutical firm 50 of these employees had
a hospital accrediting agency reported that the survival rate for patients who had coronary bypass surgery in tertiary
an epidemiologic study examined risk factors associated with pediatric aids in a small study of 30 cases and 30
a longitudinal study of occupational status and smoking behavior among women reported at baseline that 170 per 1000
peripheral neuropathy is a complication of uncontrolled diabetes the num- ber of cases of peripheral neuropathy among a
1 define sensitivity and specificity how do they relate to the type i and type ii errors in hypothesis testing2 here