Determine the class boundaries and class widths

Assignment Help Basic Statistics
Reference no: EM132854891

A data set on monthly expenditures (rounded to the nearest dollar) incurred on fast food by a sample of 500 households has a minimum value of $5 and a maximum value of $117. Suppose we want to group these data into six classes of equal widths.

a. Assuming we take the lower limit of the first class as $1 and the upper limit of the sixth class as $120, write the class limits for all six classes.

b. Determine the class boundaries and class widths.

c. Find the class midpoints. (For the first class set the upper limit of the previous class to be 0.)

Reference no: EM132854891

Questions Cloud

Find the fixed cost : Suppose the production cost of locally produced smart phone can be approximated by the model C (p) = 4(3p + 25), where p is the number of smart phones.
Establish a control procedure on flaws in turbines : A power industry wants to establish a control procedure on flaws in turbines it manufactures. Using an inspection unit of 50 units
Discuss the role of state-based action coalitions : Discuss the role of state-based action coalitions. Explain how these coalitions help advance the goals specified in the IOM report, "Future of Nursing"
Calculate approximately the quantum number : Calculate approximately the quantum number n for a 1litre volume of helium gas at room temperature.
Determine the class boundaries and class widths : Assuming we take the lower limit of the first class as $1 and the upper limit of the sixth class as $120, write the class limits for all six classes.
Identify key features of subcultures or countercultures : Identify some key features of either subcultures or countercultures you find most interesting and that you think might apply to your life
Why prisoners are assumed to have right to medical treatment : Discuss the legal foundation for why prisoners are assumed to have a right to medical treatment by the state, but law abiding citizens not in prison have.
Determine each partner share : Determine each partner's share if the first-year profit was $50,000. Prepare the entry to close the Income Summary on December 31, 2020
Determine the predetermined operating room overhead rate : In addition, the operating room will be shut down two weeks per year for general repairs. Determine the predetermined operating room overhead rate for the year

Reviews

Write a Review

Basic Statistics Questions & Answers

  Relationship between two quantitative variables

A newspaper report on results of the American Time Use Survey of 2003 mentions the "decades-long trend of people moving farther away.

  A motor bike battery manufacturer found that the life of

a motor bike battery manufacturer found that the life of their batteries is normally distributed with a mean life span

  We know that in one hour the probability of entering 15

question the number of clients that go every hour to a bank agency is processed according the poisson distribution. we

  Find the probability that the shipment will be rejected

What is the probability that the shipment will be rejected? If the retailer inspects 6 of the CD shipment what is the probability that the shipment will be accepted?

  Definition of systems theory

Provide an initial "off the cuff" definition of systems theory (don't simply refer to the definition in the text).

  Find the probability that none of the selected adults

a. Find the probability that none of the selected adults say that they were too young to get tattoos.

  Applying the general addition rule to the example

Applying the General Addition Rule to the example, P(ace or hearts) = 13/52 + 4/52 - 1/52 = 16/32

  What was the average claim size

There were many car accidents following the snow in Little Rock on Jan. 6. An insurance company who offers automobile insurance

  Describe the levels of data measurement

Define statistics with citation and reference. Contrast quantitative data and qualitative data - Evaluate tables and charts used to represent quantitative and qualitative data.

  Determine standard deviation of all sample means

Several samples of size 56 are randomly selected and means computed. What value would you expect to determine for standard deviation of all these sample means?

  Confidence interval for average net worth of us millionaires

Assuming that the surveyed subjects are a random sample of U.S. millionaires, give a 99% confidence interval for the average net worth of U.S. millionaires.

  Find the relative frequency distribution of the decisions

Magnet schools. An article in the Winter 2003 issue of Chance magazine reported on the Houston Independent School District s magnet schools programs.

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