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Using the value in the given data table finding the missing values
One possible side effect of air pollution is genetic damage. A study designed to examine this problem exposed one group of mice air near a steel mill and another group to air in a rural area. The study compared the number of Hm-2 gene mutations in each group. The data table is below.
Location
Mutation
Steel Mill Air
Rural Air
Yes
30
23
No
Total
96
150
a. State the null hypothesis.
b. Fill in the missing entries.
Determine the probability that their SAT scores will differ by more than 50 points?
For each set of data, calculate mean, median, mode, range, interquartile range, standard deviation, and coefficient of variation.
At the .05 significance level, is there a difference in the mean number of miles traveled per month between Cincinnati and Pittsburgh employees? Use the five-step hypothesis-testing procedure.
Find the critical F value for the Following,
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What statistical procedure was used to analyze data in study B?
A test was conducted to find out whether gender of a spokesperson affected the likelihood that consumers would prefer a new product. A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers prefe..
How do we decide if the homogeneity of variance assumption is significantly violated?
What is the probability that at least one of the new books is a commercial success?
A Correlation matrix (correlation, coefficients and probability level under the hypothesis rho = 0) for a company's sales force (age, years of service, and current sales) is given below. Comment.
Crystal Ball requires the following steps:
Determine what analysis would you do on each problem (i.e., one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
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