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A chi-square test for independence is conducted for data from a 3 × 2 data matrix with a total of n = 40 participants. If the data produce χ2 = 9.50, then what decision should be made?
a. Reject H0 with α = .05 but not with α = .01.
b. Reject H0 with α = .01 but not with α = .05.
c. Reject H0 with either α = .05 or α = .01.
d. Fail to reject H0 with α = .05 or with α = .01.
Fizz fizz soda comes in two varieties, regular and diet. If a researcher has 8 boxes of each, how many ways can he select 2 boxes of each for a quality control test? Which answer would be correct?
an experiment was conducted to determine the performance of two varieties of wheat at seven randomly chosen
If a soccer game ends in a tie, it goes into a penalty kick shootout in which each team chooses five players to take penalty kicks. The team that makes the most subsequent penalty kicks wins the game.
the monthly earnings of computer programmers are normally distributed with a mean of 4000. if only 1.7 of programmers
the amount of time spent watching television or playing video games is considered a significant factor on predicting
According to the data from the College Entrance Examination Board, scores on the SAT-I test have a mean of 1017, and Q1 is 880.
Represent these data in a frequency table a relative frequency line graph.
The prior year, the population mean expenditure per household was $632. Discuss the change in holiday season expenditures over the one-year period.
In 1978, the CPI for Canada was 43.6, but in 1988, the CPI was 84.8. What was the geometric mean annual increase for the period?
A mean of 25 inches and a standard deviation of 5 inches. What is the probability that the area receives at least 30 inches of rain in a year?
Calculate the 90% confidence interval about μ if sample size, n, is 55. How does increasing sample size affect margin of error, E?
A data set comprises of set of numerical values. Which, if any, of the following statements could be right? Point to whether given statement could apply to data set consisting of 1,000 values which are all different.
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