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A nurse researcher found that the mean values of two groups on anxiety were different from each other with a p-value of 0.35 (alpha - 0.05). A nurse reading this finding knows that the researcher should decide that
there is not enough information to decide on statistical significance.the alpha level is too low.the results are not statistically significant.the results are statistically significant
Income Trevor is interested in purchasing the local hardware/sporting goods store in the small town of Dove Creek, Montana.
The period of the orbit is 2.3 hours. The radius of the planet is 4.34 × 106 m. What would be the true weight of the satellite if it were at rest on the planet's surface?
A survey found that women's heights are normally distributed with mean 63.6 in and standard devistion 2.5 in. a branch of the military requires women's heights to be between 58 in and 80 in. What is the percentage of women who meet the height requ..
The weekly salaries one year after graduation are normally distributed with a standard deviation of $85. If one graduate is randomly selected. Describe the distribution of the weekly salaries being earned one year after graduation.
For a hypothesis comparing two population means, what is the critical value for a one-tailed hypothesis test, using a 5% level of significance level, with both sample sizes equal to 13? Assume the population standard deviations are equal.
The stock price on the next day can either go up by $10 with probability 40% or go down by $10 with probability 60%. What is the probability that the 2nd day's stock price is $50 given that the 1st day's price is $60?
A IRS auditor randomly selects 3 tax returns from 57 returns of which 6 contains errors. What is the probability that she selects none of those containing errors?
Is there a relationship between sales and newspaper?
The personnel director of Cander Machine Products is investigating perfectionism on the job. A test designed to measure perfectionism was administered to a random sample of 18 employees.
Given that the sample mean is x¯=93.81, and the sample standard deviation is s=4.65, determine if there are any outliers. (We will define an outlier to be any data value outside of the x¯+_2s range.)
Identify the independent and dependent variables. Perform a regression analysis on the data.
The camera department of a large department store sells three different brands of cameras: Proxima, Yakima, and Tetron. Approximately 60% of the cameras sold are Yakimas with Tetrons accounting for 30% of sales and Proxima the remaining 10%.
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