State the standard deviation of the analytical method

Reference no: EM13186509

The standard deviation of a sampling method was found to be +/-6.8%. The standard deviation of the analytical method was determined to be +/-2.3%. What is the standard deviation overall? And in order to reduce the overall standard deviation to +/- 5.0% what must the sampling standard deviation be reduced to?

Reference no: EM13186509

Questions Cloud

How many watches must he repair to have the lowest cost : Bob owns a watch repair shop. He has found that the cost of operating his shop is given by C(x) = 4x2-296x+85 , where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?

What functional dependencies can you identify : Suppose you have a relation schema about teaching classes that has the following attributes: Class, Instructor, Time and Room - based on your understanding of this scenario, what functional dependencies can you identify that hold on this relation?

State camphor is mixed with methanol : Camphor is mixed with methanol, then sodium borohydride is added. Then boil, add mixture to ice and stir.

How many grams will be left after the first hour : In some chemical reactions, the rate at which the amount of a substance changes with time is proportional to the amount present. For the change of -glucono lactone into gluconic acid, for example, when is measured in hours.

State the standard deviation of the analytical method : The standard deviation of the analytical method was determined to be +/-2.3%. What is the standard deviation overall? And in order to reduce the overall standard deviation to +/- 5.0%

What is the probability that a randomly selected helproom : What is the probability that a randomly selected helproom client received help with Stat given that s/he is majoring in Business?

What is the annual net cost : checking account with a 5.5% annual interest rate if the balance exceeds 1000.00. there is an 8.00 monthly fee is the balance falls below 1000.00. the average monthly balance is 1160.00. the account fell below the minimum balance 4 months. What is..

What can the federal reserve bank do to keep output : Suppose that consumers become pessimistic about the future health of the economy. What will happen to aggregate demand, output, and employment in the short run. Use the AD/AS figure to illustrate.iii) Considering the macroeconomic effects of pessi..

How much money will be in their travel fund at the end : If they deposit this money at the end of each month into a savings account paying interest at the rate of 6.5%/year compounded monthly, how much money will be in their travel fund at the end of the fourth year? (Round your answer to the nearest ce..

User Account

All Pages