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Question: What is the five number summary of years of education in 1993 for people in this sample? Use a STATA command to answer the question and attach its output.
(b) Summarize numerically and graphically the distribution of variableurban. Show the STATA commands and their outputs. Interpret the outputs.
(c) What fraction of observations have access to 2 health care centers in 1993? What fraction of observations have access toat most 2 health care centers in 1993?
(d) The researcher calculates the weight-for-age z-score (WAZ score) using the mean and standard deviation of weight of children of the same age and sex. Create a scatter-plot ofvaz on weight for girls with ageyr taking value 1, that is, for one-year-old girls.
(e) Browse the values of weight and weight-for-age z-score for one-year old girls. Based on these values, solve for the unknown population mean and standard deviation the researcher must have used to calculate the weight-for-age z-scores for this group of children.
What is the probability that the average IQ, from a random sample of 64 individuals, is greater than 102?
Is it reasonable to conclude (at = 0.05) that money-market interest rates declined during 2015?
the housing market has recovered slowly from the eonomic crisis of 2008. recently in one large community relators
Suppose an observational study finds that people who use public transportation to get to work have better knowledge of current affairs than those who drive.
If population standard deviation is σ = 8 is effect large adequate to be statistically significant? Use two - tailed effect with α = .05
based on the certain data a null hypothesis is rejected at the 0.05 level of significance. would it also be rejected at
Among 100 people randomly chosen in a survey, exactly 10 stated that they believed that the elected representatives are honest most of the time.
Determine the most powerful test of size 0.01 and calculate the power of the test when HI is true.
MBA 810 - Identify a hypothesis testing problem in print and conduct a survey to verify or dispute the results of the hypothesis test - Conduct your survey. You must have more than 50 responses in your sample. When you hand in your final project.
find an online report of a simple research study that includes statistics. you must include website link to the report
Regression analysis works with the basic formula of a line, which is Y = mX + b. We can use it to look at causation. Think about the Lemonade Stand Game.
What proportion of children 10-15 years would be classified as hyperlipidemia(assume that hyperlipidemia is defined as a total cholesterol level over 200)?
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