Find number of classes from sample using sturge-s formula

Assignment Help Basic Statistics
Reference no: EM13125615

Suppose you are to analyze the ages of 377 randomly selected employees, ranging from 26 to 58. Using Sturge's formula, find the appropriate number of classes from the sample.

Reference no: EM13125615

Questions Cloud

How many ways sales representatives be chosen : In how many ways can the sales representatives be chosen (a) if there are no restrictions and (b) selection must include one sales rep from each region.
Write a memorandum comparing the tax consequences : Amy, Beth, and Meg each own 100 of the 300 outstanding shares of Theta Corporation stock. Amy wants to sell her shares, which have a $40,000 basis and a $100,000 FMV. Either Beth and/or Meg can purchase Amy's shares (50 shares each) or Theta can r..
Problems in group theory : Let i be an integer with 1
Loss on the income statement : Betty's Bunny Barn has experienced a $40,000 loss due to tornado damage to their inventory. Tornados have never before occurred in this area. Assuming that the company's tax rate is 30%, what amount will be reported for this loss on the income sta..
Find number of classes from sample using sturge-s formula : Suppose you are to analyze the ages of 377 randomly selected employees, ranging from 26 to 58. Using Sturge's formula, find the appropriate number of classes from the sample.
How would the company aftertax cash inflow be affected : How would the company's aftertax cash inflow be affected if (a)it donated the land or (b) it sold the land for $110,000? How would its net income be affected?
Find the amount of the transfer implied by consultant : Find the amount of the transfer implied by consultant B and determine whether the consumer is better or worse off from Consultant C's suggestion than before the price increases.
What was rigors gross margin for 2011 : Suppose there are 360 business days in the year. What was the number of days' sales outstanding in average receivables and the number of days' sales outstanding in average inventories for 2011, respectively.
Find margin of error for confidence interval for true mean : Find the margin of error for a 89% confidence interval for the true mean cost of textbooks of U of M students in one semester.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Estimate the correlation coefficient

Construct a scatter plot of P-RFM and P-HELM. If drawing the plot by hand, use graph paper to ensure accuracy.

  Determining sample size to obtain the error

What sample size would be required to obtain the error of ±10 square millimeters with 99 percent confidence?

  Find five number summary for the midterm exam

The student with the 92 found a grading error on her exam and her correct grade was 95. There were no other grading errors. After correcting this student's paper, the five number summary for the midterm exam will be

  Determine the standard deviation

Ten students were sampled at random from a student population. Each was asked how many courses he or she was planning on studying in the upcoming year. The following is a list of the reported data values: 1, 2, 2, 3, 4, 5, 5, 5, 5, 6 What is the vari..

  Statistical significance-hypothesis testing

In the context of hypothesis testing regarding one mean, the test (Z or t) may be statistically significant at the 5% level, but not significant in a practical sense at all. Illustrate the meaning of this statement by citing 3 examples from any ar..

  Standard deviations of the mean of distribution

Suppose that we generate a random sample from a given distribution. If it is desired that the probability that the sample mean will be within 2 standard deviations of the mean of the distribution is at least .99, how large should the sample size b..

  Determining growth rate

Computer stocks currently provide an expected rate of return of 16%. Dell, a large computer company, will pay a year-end dividend of $2 per share.

  Computing the standard deviation for distribution

Now compute the standard deviation for this distribution.

  Designing the pie chart and bar graph for data

Data is distribution of the most popular colors for 2005 model luxury cars made in North America. Design the pie chart and bar graph for data.

  Finding decision rule-rejecting null hypothesis

We desire to test at 0.05 level of significance whether modification increases the life of battery.  What is our decision rule? Reject null hypothesis if calculated t is less than 1.96.

  Probability of incomes by chebyshev theorem

The mean income of a group of sample observations is $500; the standard deviation is $40. According to Chebyshev's theorem, at least what percent of the incomes will lie between $400 and $600?

  Evaluate the drive-through service

A bank asks customers to evaluate the drive-through service as good, average, or poor. Which level of measurement does this classification illustrate?

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