Construct a cumulative percentage polygon, Applied Statistics

Assignment Help:

1. For each of the following variables: major, graduate GPA, and height:

a. Determine whether the variable is categorical or numerical.

b. If the variable is numerical, determine if it is continuous or discrete.

c. Determine the level of measurement.

2. For variable undergrad specialization:

a. Construct a pie chart.

b. Construct a Pareto chart.

c. What conclusions can your reach about the undergrad specialization?

3. For variable anticipated salary in 5 years:

a. Construct a frequency distribution and a percentage distribution that have class intervals with the upper class boundaries 40, 50 and so on.

b. Construct a histogram.

c. Construct a polygon.

d. Construct a cumulative percentage polygon.

e. Around what amount do the anticipated salary values seem to be concentrated?

For variable anticipated salary in 5 years:

1. Compute the mean, median, and mode.

2. Compute first quartile (Q1) and third quartile (Q3) and the interquartile range. List the five-number summary.

3. Construct a box plot.

4. Compute the variance, standard deviation and co-efficient of variation.

5. Write a brief report summarising your conclusions.

For gender and major:

1. Construct a contingency table.

2. Compute all the conditional and marginal probabilities for the table.

3. Given that a graduate's gender is male what is the probability that the graduate has a major "A".

4. What conclusions can you reach about independence of the major and gender variables? Explain your answer using probabilities found above.

1.  For variable anticipated salary in 5 years  decide whether the data can be described by the normal distribution:

a.  Comparing data characteristics to the theoretical one for the normal distribution.

b.  Constructing a probability plot.

2.  If you select a sample of n = 50, from the normal distribution with µ = 100 and σ = 35, what is a probability that the sample mean will be greater than 80 and less than 120?

3.  Suppose that in a sample of n = 36 salary values, the sample mean was 90 and standard deviation 40. Construct a 90% confidence interval estimate for the population mean.


Related Discussions:- Construct a cumulative percentage polygon

Determine percent of population in city - bayes theoram, (1) Assume we cat...

(1) Assume we categorize voters in a city as havingless educationand those havingmoreeducation. Those with less education have less than a college degree; those with more education

Index number of price for paasche’s method, Construct index numbers of pri...

Construct index numbers of price for the following data by applying: i)      Laspeyre’s method ii)     Paasche’s method iii)    Fisher’s Ideal Index number

Index number , how to write result in the end of price index number problem...

how to write result in the end of price index number problem

Utility function, The decision maker ranks lotteries according to the utili...

The decision maker ranks lotteries according to the utility function (i) State the independence assumption. Does this decision maker satisfy it? (ii) Is this decision ma

Calculation for discrete series or ungrouped data , Calculation for Discre...

Calculation for Discrete Series or Ungrouped Data The formula for computing mean is = where,          f  = fr

., Theories of Business forecasting

Theories of Business forecasting

Regression Analysis, Question 3 25 marks Your employer, Quick Hit Agency ...

Question 3 25 marks Your employer, Quick Hit Agency (QHA), is a debt collections agency. The company specializes in collecting small accounts. QHA does not deal in large accounts

Evaluate central tendency and variability, Why are graphs and tables useful...

Why are graphs and tables useful when examining data? A researcher is comparing two middle school 7th grade classes. One class at one school has participated in an arts program

Statistical difference, Using the raw measurement data presented below, cal...

Using the raw measurement data presented below, calculate the t value for independent groups to determine whether or not there exists a statistically significant difference between

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd