Mean is the awseom ethin

Mean is the awseom ethin

The mean age of six persons is 49 years. The ages of five of these six persons are 56 , 34 , 40 , 51 , and 36 years. Find...

What is a real life situation in which using the median is preferable to the mean? Number examples please!

Use the frequency distribution table below showing a sample data set for 10 students on a test with a maximum score of 12 to find the mean score. Score Frequency 1...

4x+3,7,3x-2,9x

find the value of a

Mean : 21 Median : 13 Mode : 8 Range : 30 Mean Absolute Deviation : 11.9 Please don't make the answer too confusing. Thank you!

i need so much help just help m please!!!

The question: The ages, x years, of 150 cars are summarised by ∑x = 645 and ∑x2 = 8287.5 Find ∑(x-y)2 where y denotes the mean of x. The...

set of data with 1200 numbers is normally distributedwith a mean of 27 and a standard deviation of 4. how many numbers in the data would you expect to be between 23 and 31?

1. Use the data set {5, 21, 21, 25, 30, 40} to find the requested values: a. Mean b. Median c. Mode d. Range e. Standard deviation

Assume the population mean is µ=12 and standard deviation 2. By Central Limit Theorem the random sample of 121 measurements from this population would have what kind of distribution?

The repair cost of a Subaru engine is normally distributed with a mean of $5,850 and standard deviation of $1,125. Random samples of 20 Subaru engines are drawn from this population and the mean repair...

The data from placebo 0mg is listed below. 57,27,32,31,34,38,71,33,34,53,36,42,26,52,36,55,36,42,36,54,34,29,33,33 What is the mean number of correct responses of the...

WHY DO I NEED TO HAVE A DESCRIPTION

A college student took 4 courses last semester. His final grades, along with the credits each class is worth, are as follow: A (3), B (4), C (2), and D (3). The grading system assigns quality points...

the reading speed of a second grade students is approximately normal, with a mean of 92 words per minute (wpm) and a standard deviation of 10 wpm. There is a 5% chance that the mean...

A random sample of 40 statistics students had an average test grade of 81.5 and a standard deviation of 10.2. Construct the confidence interval for the population mean, μ if c = 0.90. The...

The salaries of Pet Detectives are normally distributed with a mean of $32,000 and a standard deviation of $3000. If 100 Pet Detectives are randomly selected, find the probability that their average...

A normally distributed set of data has been generated where 50% of the data lies below 97 and 70% lies below 104. Determine the mean and standard deviation of this data.

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