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Subject - Research methodologies
RESOURCE METHODOLOGY
Assignment-2Q1. Take any data with 50 data points each for two sets and find the following:No of observationsMinimum ValueMaximum ValueRangeMeanMedianModeStandard DeviationVarianceCoefficient of variance
Q2. Assume two sets of data "X" & "Y". Calculate covariance between X & Y.
Q3. Briefly explain central limit theorem with brief examples.
Q4. Analyse z-Test with three examples for the followingOne example for One tailed testTwo examples for two tailed test
Q5. Analyse t-Test with an example (Solution should include confidence intervals). Consider two scenarios each having 25 data points one for "One-Tiled test" and another for "Two-tiled Test". Interpretation of solutions using a live senecio.
Q6. Assume an example and analyse CH Squire test.
customers arrive at a thrift bank according to a poisson distribution with a mean of 45 customers per hour.
Can you reject the null hypothesis that μ = 58 against the two-sided alternative at the 5% significance level? Explain.
IQ scores but have been standardized so that complete sample has mean of M = 10 and standard deviation of s = 2. Compute mean and the standard deviation for the sample of n = 8 females and for sample of n = 8 males.
If the process is in control at the present values of its parameters, what proportion of the output will be nonconforming, assuming a normal distribution of the characteristic?
Ryan is a record executive for a hip hop label in Atlanta, Georgia. He has a new album coming out soon, and wants to know the best way to promote it.
If the manufacturer wants to have to replace only 1% of its televisions, what should its warranty be?
Control charts on andRfor samples of sizen=5 are to be maintained on the tensile strength in pounds of a yarn. To start the charts, 30 samples were selected, and the mean and range of each computed. This yields
Examine practice laps 3 and 4. Determine whether or not the variance in lap time is statistically the same for those practice laps.
Refer to the part of given Example in which two students are drawn without replacement from a class of 30 students in which three are left-handed. Draw a tree diagram to illustrate that the probability of selecting two left handed students is 1/14..
Ugly fries Few people want to eat discolored french fries. Potatoes are kept refrigerated before being cut for french fries to prevent spoiling.
Explain why it is beneficial to transmit documents electronically rather than in printed form?
if the equation for the regression line is y7-9x then a value of x-1 will result in a predicted value for y
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