The average magnesium concentratioin in ground water around

Assignment Help Basic Statistics
Reference no: EM13622499

The average magnesium concentratioin in ground water around Metro City is (mu)=65.6 parts per million (ppm) with a standard deviation of standard deviation of 10. The table below shows the gound water magnesium concentrations(ppm) from random sites in a suburb locaated 15 miles away. At a=0.10, can it be concluded that the average magnesium concentration in the suburb differs from 65.6 ppm?
38,83,120,7,24,81,116,28,102,95,16,50,21,25,38,76,107,89,26,122,123,95,87,28,115,98,92,63,118,125,53,29,65,40,102

A) State the hypothesis and identify the claim

b) Find the critcal values

c) Compute the test statistic

d) Make a decision

e) Summarize the results

Reference no: EM13622499

Questions Cloud

Provide an example of where you think a graphical display : provide an example of where you think a graphical display could be used incorrectly. what ramifications do you think
Complete the table by computing total revenue marginal : complete the table by computing total revenue marginal revenue and the price elasticity of demand.nbspuse the mid
The probability of pass a test is 076 at a particular : the probability of pass a test is 0.76 at a particular school. suppose we randomly select a class of 10 students from
Whats a difference between the z distribution and the t : whats a difference between the z distribution and the t distribution?they have different meansthey have different
The average magnesium concentratioin in ground water around : the average magnesium concentratioin in ground water around metro city is mu65.6 parts per million ppm with a standard
A survey of 1373 parents and 1343 students in grades 6-12 : a survey of 1373 parents and 1343 students in grades 6-12 regarding the importance of science and mathematics in the
In a study of the effectiveness of a fabric device that : in a study of the effectiveness of a fabric device that acts like a support stocking for a weak or damaged heart 110
92 of the thermal energy supplied by the combustion process : methane gas enteres a steady flow steady state boiler and burns with 140 theoretical hydrogen peroxide h2o2 gas which
Annual starting salaries for college graduates with degrees : annual starting salaries for college graduates with degrees in business administration are generally expected to be

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining standard error and confidence interval

The Sony corporation produces a Walkman that requires two AA Batteries. The mean life of these batteries in this product is 35.0 hours. The distribtion of the battery lives closely follows the normal probability distribtion with a standard deviati..

  Seasonal index exponential smoothing

The number of girls who attend a summer basketball camp has been recorded for the seven years the camp has been offered.

  The simulation correspond to the best policy

Do you believe the results of the simulation correspond to the best policy? What is the expected number of times you would win the car using the two strategies? Does the simulation back this up?

  Testing claim that opinion is independent of brand

Results of study are summarized below.  Use a 5% level of significance and test claim that opinion is independent of brand.

  Construct a 95 confidence interval for the mean of the

you are given the following information obtained from a random sample of 5 observations taken from a large

  Create confidence interval for population mean score

Afterward, each mouse is given a hyperactivity rating score. The mean score was x_bar = 14.9 and s = 2.8. Give a 95% confidence interval for the population mean score μ.

  Use the binomial distribution to calculate the probability

every day for 100 days 72 samples were taken of fuses rated at 6a and measures the current that they burn out. a

  Required probability for given probability distribution

By using the age midpoints x and the percentages of nurses, do we have a valid probability distribution? Describe.

  According to chebychevs theorem what percentage of a

according to chebychevs theorem what percentage of a distribution will be within k 3.2 standard deviations of the

  Probability-line interval between two consecutive lights

An interval from 0 to 90 minutes what is the probability that the line interval between two consecutive defective lights will be less than 10 minutes.

  Determining percent confidence interval for population mean

Find out a 95 percent confidence interval for population mean.

  Supermarket probability problem

The supermarket is open 16 hours per day. What is the probability that the total number of customers who enter the supermarket in one day is greater than 10,000?

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