A population has a mean of m = 80 and a standard deviation of s = 20.
Question:
a. Would a score of X = 70 be considered an extreme value (out in the tail) in this sample?
b. If the standard deviation were s = 5, would a score of X = 70 be considered an extreme value?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 55% (9 reviews)
a No X 70 is 10 points away fro...View the full answer
Answered By
GERALD KAMAU
non-plagiarism work, timely work and A++ work
4.40+
6+ Reviews
11+ Question Solved
Related Book For
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9781133956570
8th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau
Question Posted:
Students also viewed these Statistics questions
-
A population has a mean of = 60 and a standard deviation of = 12. a. For this population, find the z-score for each of the following X values. b. For the same population, find the score (X value)...
-
A population has a mean of 125. If a random sample of 8 items from the population results in the following sampled values, what is the sampling error for the sample? 103 123 99 7 2 100 00 99
-
A population has a mean of m = 30 and a standard deviation of s = 5. a. If = points were added to every score in the population, what would be the new values for the mean and standard deviation? b....
-
Describe who gets hurt in a recession, and how?
-
An electronic component has an exponential time to failure distribution with hours. What are the mean and variance of the time to failure? What is the reliability at 7,000 hours? : :.
-
Use the information presented in P22-9 for the Heinz Company. Required Using the direct method for operating cash flows, prepare a worksheet (spreadsheet) to support a 2007 statement of cash flows.
-
A rectangular sharp-crested weir is used to measure the flowrate in a channel of width \(10 \mathrm{ft}\). It is desired to have the upstream channel flow depth be \(6 \mathrm{ft}\) when the flowrate...
-
Cramtrack, the regional commuter train system, is trying to train users of its newly installed computer system. For the users to get the proper training, the systems analysts involved with the...
-
Discuss the challenges and opportunities in simulating transient and dynamic behavior in process simulation, including the modeling of startup, shutdown, and transient disturbances. How do dynamic...
-
a. Given the following graphs, calculate the total fixed costs, variable costs per unit, and sales price for Firm A. Firm Bs fixed costs are $120,000, its variable costs per unit are $4, and its...
-
Explain why the formulas for sample variance and population variance are different.
-
On an exam with a mean of M = 78, you obtain a score of X = 84. a. Would you prefer a standard deviation of s = 2 or s = 10? b. If your score were X = 72, would you prefer s = 2 or s = 10? Explain...
-
What are the major dangers in using an entire country as a "test market" for new products that are to be launched globally (or regionally)?
-
Restate as an implication: "A triangle is a polygon."
-
Refer to the file lung.csv. a. Construct a histogram for the values of FEV1. b. Is the histogram symmetric, skewed to the left, or skewed to the right? c. Construct a boxplot for the values of FEV1....
-
(a) Entity X prepares financial statements to 31 May each year. On 31 May 2007, the entity acquired land for EUR 800,000. This land was revalued to EUR 900,000 on 31 May 2008 and to EUR 750,000 on 31...
-
A fair die is rolled twice. Let \(A\) be the event that the number on the first die is odd, let \(B\) be the event that the number on the second die is odd, and let \(C\) be the event that the sum of...
-
Use the Divergence Theorem to calculate \(\iint_{\mathcal{S}} \mathbf{F} \cdot d \mathbf{S}\) for the given vector field and surface. \(\mathbf{F}(x, y, z)=\left\langle x y, y z, x^{2}...
-
In Exercises 25-28, use the true statements below to determine whether you know the conclusion is true or false. Explain your reasoning. If Arlo goes to the baseball game, then he will buy a hot dog....
-
Extend Algorithms 3.4 and 3.5 to include as output the first and second derivatives of the spline at the nodes.
-
An example of the vertical-horizontal illusion is shown in the figure below. Although the two lines are exactly the same length, the vertical line appears to be much longer. To examine the strength...
-
In studies examining the effect of humor on interpersonal attractions, McGee and Shevlin (2009) found that an individual's sense of humor had a significant effect on how the individual was perceived...
-
A psychologist would like to determine whether there is a relationship between depression and aging. It is known that the general population averages = 40 on a standardized depression test. The...
-
How does culture relate to political and security issues in the world? Please provide specific examples. 2 What are the most significant contemporary security issues in the world? How does culture...
-
Tree Seedlings has the following current-year purchases and sales for its only product. Units Acquired at Cost Date January 1 Activities Beginning inventory January 3 Sales February 14 February 15...
-
A resistor of an unknown resistance is placed in an insulated container filled with 0.50 kg of water. A voltage source is connected in series with the resistor and a current of 1.2 amps flows through...
Study smarter with the SolutionInn App