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What do you know? A research report described two results that both achieved statistical significance at the 5% level. The P-value for the first is 0.048; for the second it is 0.0002.
Do the P-values add any useful information beyond that conveyed by the statement that both results are statistically significant? Write a short paragraph explaining your views on this question.
a final exam in math 160 has a mean of 73 with a standard deviation of 7.8. 40 students are randomly selected and
Find the mean, median, mode, variance, standard deviation, frequency table, cumulative frequency table, coefficient of variation, and mean deviation of the population.
Given the same significance level, a ________ value of t will be required to reject the null hypothesis compared to the value of z required for rejection.
A gardener grow 20 of these plants and was pleasantly suprised to see 5 blue flowers, 10 red, 2 white and 2 pink. Calculated the probability of this event.
in a report on high school graduation it was stated that 85 of high school students graduate. suppose 3 high school
Application Assignment Worksheet- SPSS Hypothesis Testing. What is the mean HDL for group males? What is the HDL standard deviation for males? What is the mean HDL for group females? What is the HDL standard deviation for females
Refer to Exercise 8.41 (page 517). The estimated proportion of undergraduates owning a phone in 2000 was 43%. We want to test whether the proportion of undergraduate cell phone owners has more than doubled in the last 4 years.
one of the issues facing organizations is increasing biodiversity throughout the organization. once of the ways to
Convert them into valid standard-form syllogisms. The U.S. surgeon general's latest report on cigarettes and cancer is an interesting example of natural selection in the late twentieth century.
Given that development is successful, for what endpoint values for a large market does developing the battery have a lower EMV than not developing the battery?
Does the data prove a significant difference in mean times?
construct a 95 confidence interval to estimate the population proportion with a sample proportion equal to 0.60 and a
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