Compute the mean and standard deviation

Assignment Help Basic Statistics
Reference no: EM131396647

The following data are ordered systolic blood pressures in millimeters of mercury (mmHg) from 48 young adult males:

696_Table 3.jpg

(a) Compute the mean and standard deviation using the formulas given in this book. Check your results by entering the data into a statistical package and obtain their results for the means and standard deviations.

(b) Compute the median and quartiles.

(c) Display a histogram and a box plot of the data above using a statistical package. Check if your median and quartiles coincide with the box plot obtained from a statistical package.

(d) State whether or not you think the data follow a symmetric distribution, and give the reason for your answer.

(e) Which observations might you check to see if they were outliers?

Reference no: EM131396647

Questions Cloud

What will be the effect of our actions on what we value : What will be the Effect of our Actions on What We Value? Discuss your ability to self-motivate in an unstructured environment?
Make a relative frequency table : Use the stem and leaf graph from Problem 2 to assist you in ordering the data. From the ordered data, make a relative frequency table such as that given in Table 1.
What is an isoline on a map : What is an isoline on a map? Describe and explain the four factors in Earth - sun relations associated with the change of seasons: rotation, revolution around the Sun, inclination of Earth's axis, and polarity (parallelism")?
Formula for the general term : Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the following sequence with the given first term, a1, and common ratio, r.
Compute the mean and standard deviation : Compute the mean and standard deviation using the formulas given in this book. Check your results by entering the data into a statistical package and obtain their results for the means and standard deviations.
What role would organizational development play : Using an organization with which you are familiar, identify its core culture and the elements of its observable culture as defined by Senge. What do you think would need to be changed in order to facilitate learning? What role would organizational de..
How would you apply these into an intervention : Discuss specific strategies that can have an evocative effect for a replacement behavior. How would you apply these into an intervention? Which consequences interventions would use following the occurrence of the desired behavior
Is the noon sun ever directly overhead here in san francisco : Is the noon sun ever directly overhead at the North Pole? If not, on which day of the year is the noon Sun highest in the sky there.
Considerations should you address in you web strategy : Your company manufactures and sells golf clubs and would like to start selling outside Ireland. What other considerations should you address in you Web strategy? What features would you put on your website to attract buyers from the countries you tar..

Reviews

Write a Review

Basic Statistics Questions & Answers

  How many sets with reservations for coach seats are possible

How many different sets of exactly 20 of the 23 people with reservations for coach seats are possible? (do you use permutations or combinations?)

  Standardized test statistic based on the sample

You suspect that this claim is too high and decide to test the claim. You select a random sample of 75 incoming freshman and find the mean SAT math score to be 645. If you assume that the population mean is 650, find the standardized test statisti..

  Twelve different video games showing substance use were

twelve different video games showing substance use were observed and the duration times of game play in seconds are

  A random sample of 16 csn students is taken the average age

a random sample of 16 csn students is taken. the average age in the sample was 27 years with a standard deviation of 4

  The number of failures of a machine in the interval

We denote by N(t) the number of failures of a machine in the interval [0, t]. We suppose that N(0) = 0 and that the time τ0 until the first failure has a uniform distribution on the interval (0,1].

  There are thirty-five 35 members in the kalamazoo travel

there are thirty-five 35 members in the kalamazoo travel club. four 4 people will be chosen to win a vacation.how many

  Determine if reason for component failures is independent

Use an appropriate test to determine if the reason for component failures is independent of their designs. Show your manual calculations here.

  What percent of the observations are below 240 mg

Using the results from Problem 2, draw the cumulative frequency in percent. What percent of the observations are below 240 mg/mL using this display?

  Method of selection is likely to yield representative sample

An election will be held next week and, by polling a sample of the voting population, we are trying to predict whether the Republican or Democratic candidate will prevail.

  Percentiles of known normal distributions

All standard IQ test scores are normally distributed and are set up so that the mean score is 100. However, the standard deviation differs from test to test.

  Random variable x denotes the number of daughters in a

random variable x denotes the number of daughters in a family of 2 children. the probability of having one daughter is

  Binomial random variable

Assume that the number of left-handers is a binomial random variable. (Refer to the formula for mean and standard deviation for binomial prob. Distribution)

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