## WE WRITE CUSTOM ACADEMIC PAPERS

#### 100% Original, Plagiarism Free, Tailored to your instructions

1. The national average of women’s times in the 1 mile run is 7.5 minutes with a standard deviation of 1.2 minutes. The male national average is 6.75 minutes with a standard deviation of 0.8 minutes. Your Aunt and Uncle decide to race the mile. His time is 8.35 minutes while
hers is 9.3 minutes. Using the concept of z-scores (z-values), who is the relatively faster runner? Show and explain why.
2. What is the mathematical relationship between standard deviation and variance? Why does it make sense to use the standard deviation (more so than the variance) when discussing real – life data?…for example, dollars, feet, seconds, cars, etc.
3. A multiple choice test (binomial distribution) has 10 questions. Each question has four possible choices. A student guesses the correct answer for each question. Find the probability that the student passes the test if passing is considered to be 6 or more correct.
4. Plywood, Inc. reported these returns on stockholder equity for the past 5 years: 4.3, 4.9, 7.2, 6.7, and 11.6. Consider these as population values.
a. Compute the range, the arithmetic mean, the variance, and the standard deviation.
5. The annual incomes of the five vice presidents of TMV Industries are: \$125,000; \$128,000;
\$122,000; \$133,000; and \$140,000. Consider this a population.
a. What is the range?
b. What is the arithmetic mean income?
c. What is the population variance? The standard deviation?
d. The annual incomes of officers of another firm similar to TMV Industries were also studied.
The mean was \$129,000 and the standard deviation \$8,612. Compare the means
and dispersions in the two firms.
CALCULATING THE STATISTICS
6. Construct a histogram, a frequency polygon, and an ogive for the following frequency distribution.
Class Interval Frequency
50-under 60 13
60-under 70 27
70-under 80 43
80-under 90 31
90-under 100 9
7. Construct a stem and leaf plot for the following data.Let the leaf contain one digit.
312 324 289 335 298
314 309 294 326 317
290 311 317 301 316
306 286 308 284 324
8. An examination of rejects shows at least 10 problems. A frequency tally of the problems follows. Construct a Pareto chart for these data.
Problem Frequency
1 673
2 29
3 108
4 379
5 73
6 564
7 12
8 402
9 54
10 202
9. The top music genres according to SoundScan for a recent year are R&B,Alternative (Rock) Music, Rap, and Country. These and other music genres along with the number of albums sold in each (in millions) are shown.
Genre Albums Sold
R&B 146.4
Alternative 102.6
Rap 73.7
Country 64.5
Soundtrack 56.4
Metal 26.6
Classical 14.8
Latin 14.5
Construct a pie chart for these data displaying the percentage of the whole that each of these genres represents.

# Our Service Charter

1. ### Excellent Quality / 100% Plagiarism-Free

We employ a number of measures to ensure top quality essays. The papers go through a system of quality control prior to delivery. We run plagiarism checks on each paper to ensure that they will be 100% plagiarism-free. So, only clean copies hit customers’ emails. We also never resell the papers completed by our writers. So, once it is checked using a plagiarism checker, the paper will be unique. Speaking of the academic writing standards, we will stick to the assignment brief given by the customer and assign the perfect writer. By saying “the perfect writer” we mean the one having an academic degree in the customer’s study field and positive feedback from other customers.
2. ### Free Revisions

We keep the quality bar of all papers high. But in case you need some extra brilliance to the paper, here’s what to do. First of all, you can choose a top writer. It means that we will assign an expert with a degree in your subject. And secondly, you can rely on our editing services. Our editors will revise your papers, checking whether or not they comply with high standards of academic writing. In addition, editing entails adjusting content if it’s off the topic, adding more sources, refining the language style, and making sure the referencing style is followed.
3. ### Confidentiality / 100% No Disclosure

We make sure that clients’ personal data remains confidential and is not exploited for any purposes beyond those related to our services. We only ask you to provide us with the information that is required to produce the paper according to your writing needs. Please note that the payment info is protected as well. Feel free to refer to the support team for more information about our payment methods. The fact that you used our service is kept secret due to the advanced security standards. So, you can be sure that no one will find out that you got a paper from our writing service.
4. ### Money Back Guarantee

If the writer doesn’t address all the questions on your assignment brief or the delivered paper appears to be off the topic, you can ask for a refund. Or, if it is applicable, you can opt in for free revision within 14-30 days, depending on your paper’s length. The revision or refund request should be sent within 14 days after delivery. The customer gets 100% money-back in case they haven't downloaded the paper. All approved refunds will be returned to the customer’s credit card or Bonus Balance in a form of store credit. Take a note that we will send an extra compensation if the customers goes with a store credit.
5. ### 24/7 Customer Support

We have a support team working 24/7 ready to give your issue concerning the order their immediate attention. If you have any questions about the ordering process, communication with the writer, payment options, feel free to join live chat. Be sure to get a fast response. They can also give you the exact price quote, taking into account the timing, desired academic level of the paper, and the number of pages.

Excellent Quality
Zero Plagiarism
Expert Writers

or