Is sample mean sufficient to conclude effect of treatment

Reference no: EM13133617

A random sample is selected from a normal populationwith a mean of 50 and a standard deviation of 12. after a treatment is administered to the individuals in the sample, the sample mean is found to be 55. if the sample consits of 16 scores, is the sample mean sufficient to conclude that the treatment has a significant effect? use a two tailed test with .05.

Reference no: EM13133617

Questions Cloud

Mobius transformations for circles : For any given circles R and R' in C_oo, there is a mobius transformation T such that T(r)=R'. Further, we can specify that T take any 3 points on R onto any 3 points of R'. If we do specify Tz_j for j=2,3,4 (distinct z_j in R), then T is unique.

Identify relevant activity cost drivers in order to assign : It now needs to identify relevant activity cost drivers in order to assign overhead costs to its products. Using the activities listed below, identify for each activity one or more cost drivers that might be used to assign overhead to Mallory Luon..

Earth is a very mysterious place : The Earth is a very mysterious place. Every day there is things that occur around us every day that goes unexplained. Some of these occurrences can be explained by advanced technology and scientific understanding, but some occur, more or less, on a r..

Polar coordinates and area of circle : In polar coordinates, write equations for the line x=1 and the circle of radius 2 centered at the origin. Write an integral in polar coordinates representing the area of the region to the right of x=1 and inside the circle.

Is sample mean sufficient to conclude effect of treatment : Iif the sample consits of 16 scores, is the sample mean sufficient to conclude that the treatment has a significant effect? use a two tailed test with .05.

Forecast of companies future sales and revenue : Each class member shall prepare a written report concerning the performance of a company of their choice and based upon observation period, offer forecast of companies' future sales and revenue

External common tangent length of circles : Circle O and circle P are externally tangent circles. Circle O is tangent to circle P at T, OT = 12, TP = 6. AB is a common external tangent line to both circles. Find AB.

Equilateral triangle-octagon inscribed in circles : An equilateral triangle with sides of length 10 is inscribed in a circle. Find the distance from the center of the circle to any side of the triangle.

Write a one half page report to a local not for profit : Both the budget process and budgets themselves can impact management actions, both positively and negatively. For instance, a common practice among non-profit organizations and government agencies is for management to spend any amounts remaining i..

User Account

All Pages