statistics

three blocks of coal were analyzed by four chemists and the ash-content in the block was found to be under

blocks chemists

1 11 111 1V

A 18 15 15 17
B 17 16 14 14
C 13 16 15 14
DO THE blocks differ in their ash-content?do the chemists differ significantly their analysis?also identify the following
1.Experiment
2.Experimental unit
3.Treatments
4.Varieties/blocks
5.Experimental error
6.Yield
7.Replication
8.Randomization
9.Local control if any

  1. 👍 0
  2. 👎 0
  3. 👁 152
  1. We do not do your work for you. Once you have attempted to answer your questions, we will be happy to give you feedback on your work. Although it might require more time and effort, you will learn more if you do your own work. Isn't that why you go to school?

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    Two blocks, each with a mass = 0.168 kg, can slide without friction on a horizontal surface. Initially, block 1 is in motion with a speed = 1.28 m/s; block 2 is at rest. When block 1 collides with block 2, a spring bumper on block

    asked by Lilly on March 5, 2012
  2. physics

    A 3 kg block (block A) is released from rest at the top of a 20 m long frictionless ramp that is 5 m high. At the same time, an identical block (block B) is released next to the ramp so that it drops straight down the same 5 m.

    asked by Katelyn on November 2, 2016
  3. college physics

    Three blocks of mass 1kg,2kg and 3kg move on a frictionless surface and a horizontal force 46 N acts on the 3kg block.1kg and 2kg blocks are in contact with each other while 1kg and 3kg blocks are connected by a chord. (a)

    asked by Sandhya on September 21, 2008
  4. Physics

    A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is placed on top of the first block. The surfaces of the blocks are rough. A constant force of magnitude F is applied to the first

    asked by Brette on October 17, 2012
  1. Physics

    Problem 3- Blocks A, B, and C are connected by ropes and placed as in the figure. Both A and B weigh 22.6 N each, and the coefficient of kinetic friction between each block and the surface is 0.40. Block C descends with constant

    asked by Maryam on November 18, 2013
  2. Physics

    In Case A the mass of each block is 4.8 kg. In Case B the mass of block 1 (the block behind) is 9.6 kg, and the mass of block 2 is 4.8 kg. No frictional force acts on block 1 in either Case A or Case B. However, a kinetic

    asked by robert on October 14, 2012
  3. algebra2

    you are creating a window display at a toy store using wooden blocks. the display involves stacking blocks in triangular forms. you begin to display with 1 block, which is your first "triangle," and then stack three blocks, two on

    asked by jaydene on October 12, 2011
  4. physics

    Blocks A, B, and C are placed as in the figure and connected by ropes of negligible mass. Both A and B weigh 27.5 each, and the coefficient of kinetic friction between each block and the surface is 0.40. Block C descends with

    asked by Abdulla on November 19, 2011
  1. physics

    Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. the hanging block has a mass of 16 kg and the one on

    asked by emm on January 18, 2010
  2. physics

    The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is

    asked by Nickoli on November 24, 2013
  3. Math

    Heather has a bag with 16 red blocks, 11 blue blocks, 9 purple blocks, 15 green blocks, 8 yellow blocks, and 20 orange blocks. If she was to draw a block out of the bag, record the color and replace the block back in the bag,

    asked by Kaleem on September 2, 2015
  4. Physics

    Three identical blocks, A, B, and C, are on a horizontal frictionless table. The blocks are connected by strings of negligible mass, with block B between the other two blocks. If block C is pulled horizontally by a force of

    asked by Vladimir on May 29, 2012

You can view more similar questions or ask a new question.