Mathematics, 28.06.2019 09:20 sruthivada
Iwant you to conduct a hypothesis test for a difference of means for cholesterol levels between male and female students. there are 148 females and 164 males in our sample. you can treat this as a large sample problem and use z-values for confidence intervals and hypothesis tests (however, excel uses a t-value in anything it calculates). the output from microsoft excel is given below to . your job will be to find the right numbers in the output to solve the problem. excel descriptive statistics for cholesterol levels of males and females the descriptive statistics are given above. put a 95% confidence interval around just the female mean. what is the upper bound for the 95% ci? use 3 significant decimal places and use the proper rules of rounding.
Answers: 1
Mathematics, 21.06.2019 14:30
The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.
Answers: 1
Mathematics, 21.06.2019 18:40
Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?
Answers: 2
Mathematics, 21.06.2019 19:30
Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Iwant you to conduct a hypothesis test for a difference of means for cholesterol levels between male...
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