
 👍 0
 👎 0
posted by PsyDAG
Respond to this Question
Similar Questions

Statistics
3. A researcher wanted to study the effect of low light environments on the growth of alfalfa plants, so she grew six plants and measured their heights after two weeks. She calculated a sample mean of 5.2 cm with a standard
asked by Johnathan on September 10, 2017 
Statistics
QUESTION 1 Use the following scenario and data for all the questions The lives of Lithium batteries used in a type of cell phones are normally distributed with an unknown standard deviation. A simple random sample of equation
asked by Neyra on October 31, 2017 
Algebra
Use a calculator to find the mean and standard deviation of the data. Round to the nearest tenth. 6,7,19,7,18,7 A. mean = 9; standard deviation = 26.4 B. mean = 11.9; standard deviation = 26.4 C. mean = 10.6; standard deviation =
asked by Veronika on February 18, 2016 
Science Chemistry
In the standard deviation, the decimal place of the first nonzero digit indicates where the precision of the average ends (decimal place where the individual results deviate from each other). All your mass readings have 56
asked by Sonia on October 14, 2012 
Statistics
A college statistics class conducted a survey of how students spend their money. They asked 25 students to estimate how much money they typically spend each week on fast food. They determined that the mean amount spent on fast
asked by sam on October 14, 2016 
Math
Roughly speaking, the standard deviation indicates how far, on average, the observations are from the mean. Do you think that for the data set below the standard deviation will give a good indication of the typical deviation from
asked by Lyndse on February 21, 2010 
Statistics
1) A Motor Company has purchased steel parts from a supplier for several years and has found that 10% of the parts must be returned because they are defective. An order of 25 parts is received. What are the mean and standard
asked by BEARHUG on February 15, 2009 
statistics
help! where do i begin with this problem...in one area, monthly incomes of technology related workers have a standard deviation of $650. It is believed that the standard deviation of monthly incomes of nontechnology workers is
asked by carmen on July 1, 2014 
Math
I have a problem on standard deviation, and I will need some help with it. Problem: Each professor in an English class give an A to students scoring above 90 and a F to those scoring below 60. Professor 1 has a normal distribution
asked by bikie on April 12, 2011 
statistics
If Z is a standard deviation, find the probability that Z lies between 1.10 and 0.36 You have not provided enough information to answer that question. Besides, a different symbol should be used for the standard deviation and the
asked by Artie on August 4, 2007