How one extreme score influences mean and standard deviation
For the following sample:
8, 1, 5,1, 5
a. Find the mean and the standard deviation.
b. Now change the score of X=8 to X=18, and find the new mean and standard deviation.
c. Describe how one extreme score influences the mean and standard deviation.
Now Priced at $5 (50% Discount)
Recommended (96%)
Rated (4.8/5)
Delivery times follow a normal distribution with mean 20 minutes and standard deviation 4 minutes. Find the delivery time that 20% of all deliveries are less than.
Three tubes are chosen successively and at random each time and are also tested successively. What is the probability that: The third tube is good if the first two were found to be good?
In a random sample of 70 subjects, the sample mean is found to be The population standard deviation is known to be : (a) Determine the P-value for this test. (b) Is there sufficient evidence to justify the rejection of at the level? Explain.
A, B, C and D are directors and shareholders of a company; A is the managing director. A, B, C and D own equal shares amounting to 40% of the company; E owns the remaining 60% shares. A has always been issuing cheques with a co-signatory, with any
Now change the score of X=8 to X=18, and find the new mean and standard deviation. Describe how one extreme score influences the mean and standard deviation.
The playing times of songs are normally distributed. Listed below are the playing times (in seconds) of 10 songs from a random sample. Use a 0.05 significance level to test the claim that the songs are from a population with a standard deviation l
the acceleration due to gravity is 3.71 meters per second per second. The pressure at the surface of the water will be 140kPa , and the depth of the water will be 13.8m . The pressure of the air in the building outside the tank will be 87.0kPa.
Given a sample size of 25, with sample mean 736.2 and sample standard deviation 82.3, we perform the following hypothesis test.What is the conclusion of the test at the level? Explain your answer.
A survey has revealed that 75% of all college students study. A randomly selected student is observed to graduate. What is the probability that the student studied?
1948717
Questions Asked
3,689
Active Tutors
1460570
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
The NP is assessing a school-age child who was brought in by the parent because of honey-crusted lesions covering the child's upper and lower extremities
Axons are: Group of answer choices Hair-like extensions emanating from the cell body of the neuron that receives impulses
Describe the genomic sequencing strategies that you could possibly employ. Be sure to describe the strategies to the extent that reflects your understanding
You are going to analyze the DNA of imaginary creatures that have three chromosomes. Chromosome 1 has genes that encode for vision, chromosome
Problem: Select all that apply Indicate which of the lymphatic trunks empty into the thoracic duct. Multiple select question.
Question: Which laboratory value indicates the primary phagocyte in the blood?
Question: Clearly explain how you would monitor the elution of these proteins from the column.