Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Attempt all the problems shown below. Word limit for each of the problem is around 500 words.

problem 1: Describe the meaning of statistics and describe its scope and use.

problem 2: Describe hypothesis testing and illustrate the general procedures for hypothesis testing.

problem 3: Tabulate the given 25 scores into a frequency distribution by using a suitable interval.

64, 69, 84, 67, 61, 72, 72, 63, 71, 83, 70, 76, 75, 81, 66, 73, 86, 65, 68, 81, 72, 67, 77, 75, 72

problem 4: Describe the concept of dispersion and describe the kinds of measures of dispersion.

problem 5: find out the average deviation and standard deviation from the given ungrouped data.

45, 43, 46, 47, 36, 39, 35, 45, 34, 47, 30, 35, 36, 39, 42, 44, 46, 38, 34, 35

problem 6: find out mean, median and mode for the given frequency distribution.

1732_frequency distribution.jpg

problem 7: Find out the correlation coefficients for the given data by using product moment method and deduce the coefficients.

900_corelation coefficients.jpg

problem 8: describe in detail the chi square test and elucidate its properties and application.

problem 9: Describe the term normal distribution in detail with focus on its characteristics and properties. Further elucidate the deviations from normal distribution curve with the help of diagrams.

problem 10: A group of 20 students were given mathematical test under two conditions: restricted and unrestricted position. Test the importance of the difference between mean at 0.01 level on the basis of the given data.

1513_significance test.jpg

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M92455

Have any Question? 


Related Questions in Statistics and Probability

A researcher conducted an experiment to examine the effects

A researcher conducted an experiment to examine the effects of distracting noise on people's ability to solve anagrams (scrambled letters that can be unscrambled to make words). Participants worked on anagrams for 10 ...

According to pew research center 71 of internet users

According to Pew Research Center, 71% of Internet users accessed video-sharing sites in August2011. A random sample of 50 Internet users was selected. Using the normal approximation to thebinomial distribution, what is t ...

Please show the work step by step to make it

Please show the work step by step to make it understandable. A random sample of 16 students showed that the variance in the number of hours they spend studying for a final exam was 25 hours 2 Part a. Construct a 95% conf ...

Assume that you want to construct a 95 confidence interval

Assume that you want to construct a 95% confidence interval estimate of a population mean. Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval. The sample st ...

A survey of 68 courses delivered fully online found a mean

A survey of 68 courses delivered fully online found a mean of 13.5 videos with a standard deviation of 2.81. You can assume that the number of videos in an online course is normally distributed. Find the 89% confidence i ...

An auditor claims that the average annual salary of a

An auditor claims that the average annual salary of a project manager at a construction company exceeds $82,000. A random sample of 20 project managers had an average salary of $89,600 with a sample standard deviation of ...

A caterer is competing for a companys business the caterer

A caterer is competing for a company's business. The caterer randomly selects a past client and submits a tasting menu consisting of all the dishes prepared for the past client. What type of sample is this? A college fac ...

Assignmentfirst problem a test consists of 10 truefalse

Assignment First problem: A test consists of 10 true/false questions. To pass the test a student must answer at least 6 questions correctly. If a student guesses on each question, what is the probability that the student ...

Imagine that you want to know whether the sat is biased

Imagine that you want to know whether the SAT is biased against Group X and in favor of Group Y. You administer the SAT to members of the two groups; then, 4 years later, you examine the correlations between SAT scores a ...

Research objectives to explore correlations between reward

Research Objectives To explore correlations between reward systems and team work attributes in the Saudi Arabian bank sector To explore relationships between reward systems and team work effectiveness in the Saudi Arabia ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen