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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 pr
The length of human pregnancies from conception to birth varies according to a distribution that is approximately normal having a mean of 266 days with a standard deviation of 16 days. What is the
You conducted a Chi-Square Goodness of Fit Test in your ASCI 691 capstone project. Unfortunately, you did not get the sample size you had hoped for during your research. You were able to get 55 in t
You conducted a t-test in your capstone research. You did not find a statistically significant difference between your groups even though your sample size was relatively small. Upon conducting a pos
Name the distribution and specify the parameters of T. What's the probability that in session with the software remote, student uses it for more than 45 min?
The pulse rates for 13 adult women were as follows. Construct a 0.98 confidence interval for the mean pulse rate. (Give your answers correct to one decimal place and show owrk please).
Test at the 5% level of significance. Assume the population standard deviation= $1,580. Compute the z or t value of the sample test statistic.
A survey of 850 workers were asked how much they used the Internet at work. 578 said they used the internet within limits, and 255 said that they did not use the Internet within limits. Construct
Sketch the area corresponding to the most extreme 1% of the standard normal distribution using the normal curve. Find the z scores that correspond to the most extreme 1% of the standard normal distr
If you want to alter the cutoff value from 60 in order to reduce the error probability in part a to .05, what cutoff value should you choose?
Each private locker in the gym building is labeled with three upper-case alpha characters followed by two Base 16 characters. What is the maximum number of different locker numbers that can be gene
What is the probability that there are exactly 6 girls among the first 10 and exactly 12 girls among the first 19 babies born in a certain hospital in a given week?
A population is normal with a variance of 17. Suppose you wish to estimate the population mean, u. Find the sample size needed to assure with 68.26% confidence that the sample mean will not differ f
Compute the standard error of the estimate of the data below.
A random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 55% of the students plan to work, 30% of the stude
A researcher is performing a two-way ANOVA using two factors. The first factor has 5 levels and the second factor has 6 levels. In the ANOVA Summary Table, the degrees of freedom for the first and s
If the correlation coefficient r is equal to 0.362, find the coefficient of nondetermination.
A coin is biased so that when flipped it lands heads 75% of the time and lands tails 25% of the time. Flip this coin 8 times. What is the probability. (hint:binomial probability)
Flip a coin 3 times in a row. Let x be a random variable indicating how many times heads shows up.
A financial investment increased in value by 33.1% after one year, and then its value remained flat, no change, the next year; finally, its value decreased by 27.1% after the third year. What was th
What are the null hypothesis and the alternative hypothesis? Should the office building purchase the new brand of florescent bulbs? (i.e. test your hypothesis using a z-test)
Does the data provide compelling evidence for concluding that true average power for the Head raquet is different that the power for the Prince raquet? Test the appropriate hypotheses using the P-va
The information is summarized below. At the .01 significance level, is there a difference in the mean number of times men and women send a Twitter message in a day? What is the value of the test sta
What is the decision rule? (Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.) Reject H0: µ ? 9.5 and fail to reject H1: µ < 9.5 when the tes
Is the value t = 2.12 statistically significant at the 10% level? At the 5% level?