Statistics Homework Answers & Questions

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  • Waiting for answer Permutasi kombinasi

    Dalam berapa cara 10 lampu yang nyalanya berbeda dapat dipasang berjajar dalam rangkaian listrikvyang terdapat 4 tempat bola lampu?

  • Waiting for answer Identify a research problem different from the pr

    Identify a research problem different from the previous research problems that uses two different sets of the same type of data. Any subject may be chosen. Some examples: Sales from two different months or years. GPA's of men and women. Number of two different shelf items sold (Coke Pepsi) by mont...

  • Answered Probability

    If you designate six people at random, what is the probability that 3 of them will quit the study? Less than three? More than three? At least three? At most three?

  • Waiting for answer significance of Bangladesh studies

    what are the significance of Bangladesh  studies in your life

  • Answered Analysis and Presentation of Data (Exploring, Displaying an...

    Search for any three papers (your choose) of study that you think contain statistical analysis. Then, in a written response, address the following:1) What is the importance of statistical data analysis?2) What is the appropriate published literature in your area of research?- use appropriate referen...

  • Answered Elementary statistics

    Bigger animals tend to carry their young longer before birth. The length of horse pregnancies from the conception to birth varies according to a roughly normal distribution with mean 336 days and standard deviation 3 days. Use the 68-95-99.7 rule to answer these questions.  The lengths of the middle...

  • Answered Four research participants take a test of manual dexterity (...

    Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows: Person Dexterity Anxiety 1 1 10 2 1 8 3 2 4 4 4 -2 a. Make a scatter diagram of the scores b. Describe in words the general p...

  • Answered Four research participants take a test of manual

    Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows: Person Dexterity Anxiety 1 1 10 2 1 8 3 2 4 4 4 -2 1. Create a scatter diagram of the scores, which should be a negative dire...

  • Answered Decision tree involving probability

    Due to budget cuts a manager was told to cut a single person out of his work crew of 4 workers-Dave, Joe, Mike, and Roger.  He decided to make the cut in as fair of way as possible since all are equally qualified.  He put each of their names on a card, mixed the cards, and drew a random name.  The m...

  • Answered Test the claim using α = 0.05 and assume your data is normal...

    Original Claim : The average age of all patients admitted to the hospital with infectious diseases is less than 65 years of age. Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.Based on your selected topic, answer the following:Write the null and alternat...

  • Answered Decision Tree and Sensitivity analytics question

    Machine Works is a firm supplying quality  metal gears to manufacturers  of  high-end  clocks. Machine Works is faced with the problem of extending credit to a new customer, Qualclocks, in connection with a contract for next year's season. Machine Works has three risk categories for credit - "poor''...

  • Answered Statisitics

     A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%. The researcher gathers a random sample of 120 individuals who live in California and finds that the number who exercise regularly is 31 out of 120.(a)...

  • Answered SLEEP PATTERNS

    Sleep Patterns and Energy Drinks A researcher decides to study the relationship between the consumption of energy drinks and the amount of sleep that college students report.  He does a survey of students at a local college where he has used a random numbering scheme to select 100 students to send t...

  • Answered linear regression

    Question 1.      Run a minimum of 2 pearson correlation coefficients from the attached dataset (for example bench and 40 yard dash time; squat and 40 yard dash time). Generate scatterplots for both. Summarize the findings (r and P values most importantly). Do your hypothesis testing. Ho vs. Ha for...

  • Answered STANDARD NORMAL DISTRIBUTION

    QUESTION 1 1. Assume the speed of vehicles along a stretch of I-10 has an approximately normal Distribution with a mean of 71 mph and a standard deviation of 8 mph. a.  The current speed limit is 65 mph. What is the proportion of vehicles less than or equal to the speed limit? b.  What pro...

  • Answered TEST OF EFFECT SIZE AND COHEN'S D

     Questions 1. Explain the following concepts in your own words: (a) What is the main limitation of the z test and what alternative exists that does not have that limitation? How does the shape of a t distribution change as the sample size increases?  Fully explain your answer. (b) A social psychol...

  • Answered EMPLOYEE SATISFACTION STUDY

    Please follow these instructions and use the attached database to successfully complete. The scenario here is to related to “satisfaction” is one of the common quality measures for all types of organizations. While many organizations focus on patient/customer satisfaction (another component of quali...

  • Answered Testing hypothesis

    Hypothesis Test" Please respond to the following: please select one of the two subjects to discuss. 1 A)      *       research articles on hypothesis test and its application in business. Select one (1) company or organization which utilized hypothesis test technique for its business process (e.g.,...

  • Answered linear regression

    1.            Management has studied work patterns in the housekeeping department and estimates the number of hours to be worked as follows. Hours worked = (1,500 per month) + (0.50 X RVUs).For the coming month, management expects relative value units (RVU) to be 5,800. What should budgeted labor...

  • Answered Testing hypothesis

    1.      Write a RQ and set of hypotheses (Ho/Ha) that would utilize a Chi Square statistics. Answers 2.      Explain why the Chi Square would be appropriate vs. a t test statistic. . If the Chi Square statistic is 5.094 and the corresponding P value is .9265 shown in the web example http...

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