Compute the standard deviation of the distribution of means

Assignment Help Basic Statistics

Reference no: EM13127424

A researcher is interested in whether the color of an animal's surroundings affacts learning rate. She tests 16 rats in a box with colorful wallpaper. Assume it is known that the average rat can learn to run this particular maze (in a box without any special coloring) in 25 trials, with a variance of 64; the distribution is normal. The mean numbers of trials to learn maze for the group with the colrful wallpaper is 11. What is the standard deviation of the distribution of means?

Reference no: EM13127424

Questions Cloud

Describe the amount of bond interest expense for first year : Determine the amount of premium to be amortized for the second semiannual interest payment period, using the interest method. Describe the amount of bond interest expense for the first year.

Literary analysis/interpretation of george orwell novel 1984 : Literary Analysis/Interpretation of George Orwell novel 1984 with one primary source and 2 secondary sources also use direct quotes(regular and block paragraph) as well as parenthesis citation 3-5 pages

Calculate the number of atoms per unit cell : Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3.

Waiting line analysis : Student arrive at the Administrative Services Office at an average of one every 15 minutes, and their requests take on average 10 minutes to be processed.

Compute the standard deviation of the distribution of means : The distribution is normal. The mean numbers of trials to learn maze for the group with the colrful wallpaper is 11. What is the standard deviation of the distribution of means?

Find the goal of the recrystallization procedure : The goal of the recrystallization procedure is to obtain purified material with a maximum recovery. For each of the following situations, explain why this goal would be adversely affected.

Creat a journal entry to record income taxes for the year : Creat a journal entry to record income taxes for the year 2010. Show well-labeled computations for the amount of income tax payable and the change in the deferred tax account.

Problem related to cash budgeting : Calculate the expected cash balance at the end of April and May, assuming that cash is received only from customers and that $16,000 is paid out during April and 14,000 is paid out during May.

What is the density : An aqueous solution of KI has a freezing point of -1.70 C and an osmotic pressure of 26.5 atm at 25.0 C. What is the density ?

User Account

All Pages