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Range of numbers:
13 13 13 20 26 27 31 34 34 34 35 35 36 37 3841 41 41 45 47 47 47 50 51 53 54 56 62 67 82
What is the first and third quartile?What is the second decile and the eighth decile?What is the 67th percentile?
What is the probability that the 100 randomly selected mangoes have a mean weight less than 14 ounces?
Find the largest number of room reservations that this hotel can book and still be at least 95% sure that everyone who shows up at the hotel will have a room on a given night.
Five cards are drawn from an ordinary deck without replacement. Find the probability of getting:
The population are shorter than 66 inches, what is the probability a randomly selected member of this population is between 66 and 76 inches tall?
Be able to conduct a one-tailed hypothesis test for the mean at the .025 significance level. State the null and alternative. State the critical value. Draw a diagram. Provide the computation of the test statistics. State your decision in terms of ..
In general, when the dependent variable is neither interval nor ratio in level of measurement -- i.e., is not numeric -- a nonparametric statistical test is required to test the null hypothesis.
Continuous random variable is uniformly distributed between a and b. The probability density function between a and b is.
Suppose that scores on a particular test are normally distributed with a mean of 130 and a standard deviation of 19. What is the minimum score needed to be in the top 5% of the scores on the test?
Compute the value of the discriminant and give the number of real solutions to the quadratic equation
Using the critical value approach and the sample information reported below, carry out a test of this statement. Let α = 0.05.
Suppose that, for a t test, your computed value for t is +3.28. The critical value of t is +2.048. Explain what this means. Do you reject the null hypothesis or not?
For the following exercise, complete the following: Find the mean, median, and range for each of the two data sets. Find the standard deviation using the rule of thumb for each of the data sets.
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