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Does mean blood pressure differ for seniors who are sedentary, a little active, and very active? Decide what statistical procedure would most likely be used to answer the research question. Assume all assumptions have been met for using the procedure.
One sample Z or t test
Two independent samples t test
Paired Samples t test
Regression
Chi-Squared test
ANOVA
Confidence Interval
The main purpose of this exercise is to check your understanding of significance level, p-values and power .
a psychologist wants to determine if there is a linear relationship between the number of hours a person goes without
Use the continuity correction and describe the region of normal curve that corresponds to the indicated binomial probability. The probability of more than 50 right answers.
What is the probability Linda Lahey, company president, received exactly 1 email between 4 P.M. and 5 P.M. yesterday? What is the probability she received 5 or more email during the same period?
create a dataset of at least 50 observations from your workplace or personal experiences. calculate the descriptive
If the supermarket begins each morning with a stock of 61 cartons of eggs, approximately what percentage of days will there be a surplus of eggs?
Compute the mean of the distribution of the sample means and the population mean. What is true about the two values?
q1. a random sample of 50 students at the university of florida revealed the mean number of hours slept last night was
Following data from an x bar chart, is the process capable (capability index>1.33)?
among a random sample of 150 employees of a particular company the mean commute distance is 25.5 miles. this mean lies
What type of graph would you use to represent the data and why? Focus on finding relevant, personally meaningful material to work with for these students.
Find the probability distribution for X defined as the number of defective items drawn (Hint: You have to find P(X=0), P(X=1) and P(X=2). You may have to use both multiplicative and additive rules to find P (X=1)).
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