Calculate the variance and standard deviation

Assignment Help Basic Statistics
Reference no: EM13105327

You are receiving a trip to Europe as a graduation gift. The final destination is a surprise. You have only been to been told that you starting point is London and that you will be arriving there on May 15th. After doing some research you compile some daily low temperature readings for this date which are summarized below

72, 64, 66, 76, 78, 62, 70, 65, 69, 73, 74, 66, 64, 77, 72

Using this data please calculate the following

What is the proportion of temperatures under 70 degrees?

What is the average low temperature in London on May 15th?

What is the median low temperature?

What low temperature is it most often in London on May 15th?

What is the range of low temperatures in London on May 15th?

How much does the low temperature vary on this date? In other words calculate the variance and standard deviation?

Reference no: EM13105327

Questions Cloud

Determine if hacking into a web site is ever justifiable : Determine if hacking into a Web site is ever justifiable, applying your theory to a real world case in which someone hacked into a system, including the name of the company and detail.
Explain how terrorism influenced police mission in us : Explain how has terrorism influenced police mission in U.S.? What disagreements exist regarding suitable law enforcement behavior.
Various policy mechanisms : Small numbers cases are situations in which the number of involved parties is small enough to meaningfully engage in negotiation or litigation and An exception to relying on those mechanisms arises when many parties can be represented by a single ..
Discuss the relationships of sustainable thinking : Explain and discuss the relationships of sustainable thinking to crisis management and total quality management paradigms.
Calculate the variance and standard deviation : How much does the low temperature vary on this date? In other words calculate the variance and standard deviation?
Discuss how modelo’s international expansion was made : Discuss how Modelo’s international expansion was made possible through strategic partnership with experienced distributors in local markets.
Compute the total cost of ordering and carrying flour : A large bakery buys flour in 25-pound bags. The bakery uses an average of 5 bags a day. The bakery operates 243 days a year. Preparing an order and receiving a shipment of flour involves a cost of $10 per order.
Illustrate what is your own standard for determining : Illustrate what criteria have you used in answering this question? Illustrate what is your own standard for determining what objects count from a moral point of view?
Limit for the population porportion of printers : A random sample of 70 printers discovered that a20 of them were being used in small businesses. Find the 99% limit for the population porportion of printers that are used in small businesses.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Competing organizations in the industry

In doing so, you collect a random sample of 50 salespersons employed by his company, which is thought to be representative of sales staffs of competing organizations in the industry. The collected random sample of size 50 showed that only 18 were ..

  Estimating the population parameter and statistic

The probability of obtaining a random sample mean, which is lower than the population mean, is:

  Forests in terms of nsc concentrations

Summarize the NSC concentrations graphically and numerically for each type of forest. How do dry forests compare to moist forests in terms of NSC concentrations?

  Probability of weight of quarter

Currently, quarters have weights that are normally distributed with a mean of 5.670 g and a standard deviation of 0.062 g. A vending machine is configured to accept only those quarters with weights between 5.550 g and 5.790 g.

  Determining probability-genetics

What is the probability that only the first child will have cystic fibrosis? What is the probability that they will have 2 normal sons and 1 daughter with cystic fibrosis?

  Problem related to average running time of movies

Nancy believes that the average running time of movies is equal to 140 minutes. A sample of 4 movies was taken and the following running times were obtained. Assume the population of the running times is normally distributed.

  Random sample and normal distribution

Suppose that X1,..,Xn form a random sample from the normal distribution with unknown mean M and unknown standard deviation S, and let m and s denote the MLEs of M and S. for the sample size n=17, find a value of k such that  P(m > M +ks) = 0.95

  Determining estimated population mean

Determine the estimated population mean?

  Technique of converging operations

Anthony is measuring his participants' emotional states in two different ways (self-report and galvanic skin response) in order to gain a greater confidence that he is actually measuring the emotional that he thinks he is.

  Compute the mean and median

Consider a sample with data values of 10,20,12,17, and 16.... Compute the mean and median and explain how you get to the answer....

  Employee turnover as the variables

How much of the variation in the dependent variable would be explained by the independent variable in this situation? Use job satisfaction and employee turnover as the variables for this problem.

  Probability of taking a hand of cards

Calculate the probability that a hand of 13 cards dealt from a normal pack of 52 contains exactly two kings and one ace. what is the probability that it contains exactly one ace given that it contains exactly two kings.

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