Statistics Homework Answers & Questions
Help With Statistics Homework
Statistical analysis may sound like rocket science for some students. Indeed, statistics is quite a complicated discipline that studies correlations, deviations, analysis and interpretation of data. If you think that you aren’t going to use statistical knowledge, think again.
An impressive range of disciplines like physics, biology, sociology, marketing, economics, finance and even psychology heavily rely on statistical research. They need statistical reports to enhance the credibility of the claims or prove some hypothesis or business model.
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They can run data analysis of all types utilizing any statistical software. The grades for your task will wow all your classmates. Furthermore, whenever you cannot understand any concept, you are welcome to refer to our tutor services to get statistic homework help or special study guides developed by our professionals.

Answered statistics
Ten items out of a set of 80 are defectives. What is the probability that 3 out of 4 chosen items will not be defective
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Answered POPCORN
According to popcorn.org, the mean consumption of popcorn annually by Americans is 54 quarts. The marketing division of popcorn.org unleashes an aggressive campaign designed to get Americans to consume even more popcorn. (a) Suppose, in fact, that the mean annual consumption of popcorn after the m...
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Answered statisticsprobability
A pair of dice is rolled.What is the probability of rolling a combined value of 9 or less?
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Waiting for answer Statistical bioinformatics
Question 1 (10pts) a) What is probability of observing 61325 when rolling fair dice? Probabilities for fair dice : P(1)=P(2)=P(3)=P(4)=P(5)=P(6)=1/6 b) What is probability of observing 61325 when rolling loaded dice? Probabilities for fair dice : P(1)=P(2)=P(3)=P(4)=P(5)= 0.1 and P(6)=0.5 c) What is...
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Waiting for answer Statistical bioinformatics
Question 1 (10pts) a) What is probability of observing 61325 when rolling fair dice? Probabilities for fair dice : P(1)=P(2)=P(3)=P(4)=P(5)=P(6)=1/6 b) What is probability of observing 61325 when rolling loaded dice? Probabilities for fair dice : P(1)=P(2)=P(3)=P(4)=P(5)= 0.1 and P(6)=0.5 c) What is...
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Answered Statistics Course Project Part 2
I ALSO ATTACHED A FILE THAT HAS TO BE LOOKED AT FIRST: TOPIC IS HOW MANAGERS EVALUATE EMPLOYEES Collect, Organize and Summarize the Data Collect, organize, and summarize the data Provide the raw data organized in a table or chart. Describe your data set. Discuss your sampling technique and how you c...
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Answered Statistics Homework
The homework sheet is attached. Also I dont know how to leave a review....if you can tell me how so I can start doing that. Thanks
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Answered Spearman's rank correlation coefficient
THIS IS AIMED AT ENABLING A STUDENT TO CALCULATE THE SPEARMAN'S RANK CORRELATION COEFFICIENT FROM GIVEN DATA AND TO RELATE IT TO BUSINESS AS AN AREA OF APPLICATION. CASE 1: RANKING NONREPEATING DATA CASE 2: RANKING REPEATING DATA CASE 3: LINK BETWEEN SPEARMAN RANK AND BUSINESS PROFITS 1. (a) W...
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Waiting for answer What do the minimum, first quartile, median, third quartile,...
They each contribute to the box plot in different ways (see below). A box and whisker plot is a method of displaying data and its distribution. The minimum is the lowest value in th...
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Waiting for answer How do you find the outlier in the data: 32, 40, 34, 3 l, 20...
The outlier in this data is 20. To find the outlier, you must find the number that is the most different from the others. In this case, 20 only appears once, and it is farther from t...
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Waiting for answer What is the empirical rule and how does it differ from Cheby...
The Empirical rule can be used for bell shaped data ONLY. Chebyshev's inequality on the other hand can be used on any data set to find the percentile of a given value or data point....
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Waiting for answer 1.What is x if the mean of the numbers 4,5,x,8,9 and 3 is 6?...
1) ##x = 7##. 2) Median = ##7.5## Explanation: Recall that the arithmetic mean ##bar x## of a data set may be determined as follows: ##bar x = sum_(i=1)^n x_i/n##. where n = number of numbers you adding up and ##x##= the number Thus, for our initial data set: ##6 = (...
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Waiting for answer What is the difference between categorical (qualitative) dat...
Actually there are three main types of data. Qualitative or categorical data have no logical order, and can't be translated into a numerical value. Eye colour is an example, because 'brown' is not higher or lower than 'blue'. Quantitative or numerical data are numbers, and that way they 'impose'...
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Waiting for answer What is the difference between using the pooled variance and...
I have found a nice example for you to check out on the Penn State web page. With the final notice saying: "Comparing two proportions – For proportions there consideration to using "pooled" or "unpooled" is based on the hypothesis: if testing "no difference" between the two proportions then we wi...
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Waiting for answer What is the mode of the numbers: 4, 7, 2, 4, 2, 2, 8, 7, 4,...
Mode is ##2## Mode is the value of the number with highest frequency in the set of datapoints that is the one that occurs most often. To find the mode of numbers ##{4, 7, 2, 4, 2,...
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Waiting for answer What is the importance of descriptive statistics?
Descriptive statistics is important because it enables us to present data in a meaningful way, and therefore allows for a simpler interpretation of the data. Descriptive statistics i...
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Waiting for answer What is the difference between continuous data and discrete...
The main difference is that continuous data are measurable, and discrete data can have only certain values. They may be countable. Examples of continuous :** Height, weight, income are measurable and can have any value. Examples of discrete : Actually there are two kinds of discrete data:Countab...
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Waiting for answer When do you accept or reject the null hypothesis in a chisq...
You have two values: Your ##chi^2 ## test statistic, which is the value you calculated. And, your ##chi^2## critical value. Which is the value you took from the table at a certain degrees of freedom and level of significance. If your TEST STATISTIC exceeds your CRITICAL VALUE, you REJECT the nul...
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