Section of a statistics class containing student

Assignment Help Basic Statistics
Reference no: EM13240513

3 section of a statistics class containing 28,32 and 35 students averaged 83,80 and 76 respectively on same final exam. what 's the combined population means of all the 3 sections ?

Reference no: EM13240513

Questions Cloud

How did socrates'' view of the good : How did Socrates' view of the good, true, and just disagree with that of the Sophists?
Can we conclude that those joining weight reducers : A new weight-watching company, Weight Reducers International, advertises that those who join will lose, on the average, 10 pounds the first two weeks with a standard deviation of 2.8 pounds
Why were athenian citizens endowed with so much leisure time : Why were the Athenian citizens endowed with so much leisure time
What limit does this place on the numerical value for n : One of Einstein's postulates says that nothing travels faster than the speed of light in a vacuum, c, what limit does this place on the numerical value for n
Section of a statistics class containing student : 3 section of a statistics class containing 28,32 and 35 students averaged 83,80 and 76 respectively on same final exam. what 's the combined population means of all the 3 sections ?
Tanjore assimilating knowloge frome foriegn cultures : How were indians in Tanjore assimilating knowloge frome foriegn cultures before the arrival of the French and the British?
A chemical reaction to be non-spontaneous at any temperature : For a chemical reaction to be non-spontaneous at any temperature, which of the following conditions must be met
Obtain the empirical influence function for the mean : Obtain the empirical influence function for the mean and sketch its influence curve. What does this influence function tell you about the mean (hint: try x = 5 or x
Complicated than black-figure vases to create : Why are red-figure vases more complicated than black-figure vases to create?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Test against null hypothesis of a one sided alternative

Test against the null hypothesis of a one sided alternative that the difference is more than 10 minutes. Use a .1 level of significance (alpha).

  Find the standardized value for the score

If a randomly selected student has a score of 40, then how many standard deviations away from the mean is that student's score?

  Pobability that picture tube will last more than ten years

The lifetime of a color television picture tube is normally distributed with a mean of 7.8 years and a standard deviation of 3 years. What is the probability that a picture tube will last more than ten years?

  Testing of population variance of normal population

A random sample of 51 observations was selected from a normally distributed population. The sample mean was xbar = 88.6, and the sample variance was s2 = 38.2.

  Calculate the critical value and df

A sample of 8 jars has a mean of 15.6 ounces and a standard deviation of 0.3 ounce. Is there enough evidence to support the consumer's conjecture at a = 0.05? First, identify the alternative and the null hypotheses.

  Probability regarding cars dealership

You are looking at two used cars at a dealership. They are both the same year, make, model, color and price. You decide to ask the salesman which is more reliable.

  Standard deviation for ounces in the bottles

Calculate the mean, median, and standard deviation for ounces in the bottles and construct a 95% Confidence Interval for the ounces in the bottles.

  Confidence interval-mean salary of google managers

A random sample a 16 Google managers yield the following information on annual salaries. The sample mean is $69,000, with a sample standard deviation of $4,000. What is the mean salary of all Google managers?

  Probability that mean weight of loads is more than a range

If random sample of 9 loads is selected for a weight check, determine the probability that mean weight of those loads is more than 40.60 tons.

  Negative exponents and scientific notation

Evaluate each expression-Diameter of a circle. If the diameter of a circle is 1.3 * 10^-12 meters, then what is the radius?

  Question about probability theory

In a sample of 1,000 representing a survey from the entire population, 650 people were from Laketown, and the rest of the people were from River City.

  Finding all possible combinations for the given data

What are the possible combinations of coins that Sanjay could have received in change?

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