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Clarify how you would display each of the following in a report: 1. The outcomes of a t test with 38 degrees of freedom, where the acquired value of t was 1.38, and the significance level was p < .20. 2. The proper placement of a figure within the text. 3. The proper placement of a table within the text
an electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed with
suppose that the average grade for all people who take this course in statistics is 83 with a standard deviation of
suppose that the number of accidents occurring on a certain highway at a rate of 3 per day. let a be the number of
Assume the observed value of the test statistic is 1.53. What is the smallest level for which there is sufficient evidence to reject H 0 (i.e. the p-value for this test)?
Identify whether the following variables are numerical or categorical if numerical state whether the variable is discrete or continuous. if categorical state, whether the variable is nominal or ordinal.
medical tests were conducted to learn about drug-resistant tuberculosis. of 142 cases testedin new jersey 9 were found
Identify the population, the variable of interest, and the sample in the context of this problem. What are some inferences of possible interest to a stockbroker? How would the reliability of the inferences be assessed?
In past elections, the representative received 40 percent of the popular vote in that area of the state. She doubts whether it has changed much. How many registered voters should be sampled?
In a poll to estimate presidential popularity, each person in a random sample of 1000 voters was asked to agree with one of the following statements:
according to the national association for college admissions counseling and usa today. 19.8 of college students take at
A random sample of 1440 current job applicants results in 61 failures (based loosely on data from the American Management Association).
Iit is known that signal change in this brain area is normally distributed with mean of 35 and standard deviation of 10. By using .01 level, what must researcher conclude?
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