Standard deviation of the experimental group, Basic Statistics

+44 141 628 6080
[email protected]

Standard deviation of the experimental group

A researcher obtains data for witch

Xbar₁ =16.63 s₁ =1.42 n₁=12

Xbar₂ =17.93 s₂ =3.16 n₂=18

1 = control group

2= experimental group

a) Obtain a 95% confidence interval estimate for population varience, the standard deviation of the experimental group.

b) Test the hypothesis that the experiment was effective at the alpha=0.05 significance.

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Standard deviation of the experimental group

Reference No:- TGS0727255

Expected delivery within 24 Hours

Have a Question? (oR Write a Review)

Write atleast 100 words!!

Recent Questions Asked Basic Statistics

Q : Why the sweet treats common stock is currently priced

Sweet Treats common stock is currently priced at $18.53 a share. The company just paid $1.25 per share as its annual dividend. The dividends have been increasing by 2.5 percent annually and are expected to continue doing the same. What is this fi

Q : Value of the test statistic

As a part of the editorial a random sample of 310 households showed 230 own pets. Does this data disagree with the Pet Food Dealers Association data? Use a 0.10 level of significance. State the decision rule for 0.10 significance level. Compute th

Q : Determine the change in exergy in kj for each system

Consider 100 kg of steam initially at 20 bar and 240 degrees C as the system. Determine the change in exergy, in kJ, for each of the following processes.

Q : What is the risk adjusted required rate of return for a low

Dandy Product's overall weighted average required rate of return is 8 percent. Its yogurt division is riskier than average, its fresh produce division has average risk, and its institutional foods division has below-average risk.

Q : Standard deviation of the experimental group

Obtain a 95% confidence interval estimate for population varience, the standard deviation of the experimental group. Test the hypothesis that the experiment was effective at the alpha=0.05 significance.

Q : Find the magnitude of the final velocity of the glider

A 0.144 kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.700m/s . It has a head-on collision with a 0.300kg glider that is moving to the left with a speed of 2.17m/s. Suppose the collision is elastic. A) F

Q : Find the linear velocity of the wheel at the bottom of hill

The hill has an elevation of 77 ft and an inclination of 4 degrees. What is the linear velocity of the wheel at the bottom of the hill?

Q : Find the magnitude of the magnetic field halfway

Two long parallel wires each carry 3.0A in the same direction, with their centers 2.0cm apart. (a) Find the magnitude of the magnetic field halfway between the wires. (B) Find the magnitude of the magnetic field at a point in the same plane as the

Q : What is the default risk premium on keys bonds

Qualcomm`s 5-year bonds yield 7.00%, and 5-year T-bonds yield 5.15%. The real risk-free rate is r* = 3.0%, the inflation premium for 5-year bonds is IP = 1.75%.

1932351

Questions
Asked

3,689

Active Tutors

1437797

Questions
Answered

Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!

ask Question

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Standard deviation of the experimental group

Reference No:- TGS0727255

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Why the sweet treats common stock is currently priced

Q : Value of the test statistic

Q : Determine the change in exergy in kj for each system

Q : What is the risk adjusted required rate of return for a low

Q : Standard deviation of the experimental group

Q : Find the magnitude of the final velocity of the glider

Q : Find the linear velocity of the wheel at the bottom of hill

Q : Find the magnitude of the magnetic field halfway

Q : What is the default risk premium on keys bonds

Outline a social issue that is important to you

Identify one antecedent, one behaviour, and one consequence

Is lifespan psychologists are unlikely to investigate

Problem concerning consensual sexual relationship

Identify a specific theory of cognitive or moral development

Discuss children diagnosed with developmental disabilities

Describe some of your personality traits

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Standard deviation of the experimental group

Reference No:- TGS0727255

Recent Questions Asked Basic Statistics

Q : Why the sweet treats common stock is currently priced

Q : Value of the test statistic

Q : Determine the change in exergy in kj for each system

Q : What is the risk adjusted required rate of return for a low

Q : Standard deviation of the experimental group

Q : Find the magnitude of the final velocity of the glider

Q : Find the linear velocity of the wheel at the bottom of hill

Q : Find the magnitude of the magnetic field halfway

Q : What is the default risk premium on keys bonds

Asked Questions