Explaining two-tailed two-sample and chi-square

Assignment Help Basic Statistics

Reference no: EM1312086

Q1) Can people actually recognize their favorite brand of cola? Volunteers tasted Classic, Pepsi, Diet Pepsi Diet Coke, and Coca-Cola, with results given below. Research question: At _ = .05, is correctness of prediction dissimilar for the 2 types of cola drinkers? Could you recognize your favourite brand in this type of test? As it is a 2 _ 2 table, try also two-tailed two-sample z test for ð1 = ð2 and verify that z2 is same as your chi-square statistic. Which test do you favour? Describe why?

Correct?	Regular Cola	Diet Cola	Row Total
Yes, got it right	7	7	14
No, got it wrong	12	20	32
Column Total	19	27	46

Reference no: EM1312086

Questions Cloud

Types of competition that most firms encounter : Identify 3 types of competition that most firms encounter other than competition from other firms in their industry in their home nation.

Computation the investment for each year : Computation the investment for each year and wants to invest equally amounts at the end of each year for the next 6 years to accumulate

Estimating probability on normal and binomial distribution : If you have a statistical package that computes binomial probabilities, find the probability that at least five funds outperform the market in all 10 years.

What is the young''s modulus of rope : A 1500 {rm kg} wrecking ball hangs from a 20 {rm m} long cable. The ball is pulled back until the cable makes the angle of 17.0^circ with vertical.

Explaining two-tailed two-sample and chi-square : As it is a 2 _ 2 table, try also two-tailed two-sample z test for ð1 = ð2 and verify that z2 is same as your chi-square statistic. Which test do you favour? Describe why?

Determine the irr of the project : Calculation of Arithmetic ,Geometric Mean and NPV and determine the IRR of the project? (Do not include the percent sign (%). Round your answers to 2 decimal places, e.g. 32.16.)

Demand curve change if m falls : Graph the demand curve for X given the above information. Elucidate how will the demand curve change if M falls to 35,000.

What was the wheel''s angular acceleration as it slowed down : At t=0 a grinding wheel has an angular velocity of 30.0 rad/s. It has a constant angular acceleration of 31.0 rad/s^2 until a circuit breaker trips at time t = 2.00 s. From then on, it turns through an angle 428 rad as it coasts to a stop at constant..

Computation the amount interest earned during the sixth year : Future value of today investment at a perticular interest over a period of years? Computation the amount interest earned during the sixth year

User Account

All Pages