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A student Conducts the most popular colour of shirts for people to wear by recording the colour of every 25th person who entered the gate at the toronto blue jays game. What type of survey is this? Does this survey include any bias?
Perform a one-way ANOVA on the data provided. You can either use the One-way ANOVA calculator that I provided or you can perform the analysis in Excel
When redesigning the fighter jet ejection seats to better accommodate women, which probability is more relevant: The result from part (a) or the result from part (b)? Why?
An averageof 2 cars arrive at a highway tollgate every 10 seconds. If this rate is approximated by a Poisson process, what is the probability that exactly 3 cars will arrive in a 10-second period?
at baseball practice a batter can swing at a pitch until he gets 3 hits. the probability that he hits a random pitch is
What is the probability that a randomly selected respondent has a goal of getting rich?
1. State the null hypothesis in words AND statistical notation. 2. State the alternate hypothesis in words AND statistical notation.
1 a student studying for a vocabulary test knows the meanings of 14 words from a list of 20 words. if the test contains
The following table gives the distributions of grades for three professors for a few randomly selected classes that each of them taught during the last 2 years.
In a survey of a rare clumped species, the study area is divided into two strata, with N1 = 60 units in the first stratum and N2 = 50 units in the other. Initial simple random samples of sizes n1 = 3 and n2 = 2 are used.
A sociologist wants to describe if the life expectancy of people in Africa is lesser than the life expectancy of people in Asia.
Exactly 4/15 of 60000 inhabitants showed sign of tuberculosis and not less than 6000 among them had an attack of influenza but among them only 1000 lived.
Suppose that the researcher finds a moderately strong positive correlation. Describe three different possible cause-and-effect explanations for this relationship.
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