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Stratified Sampling: If the population from which a sample is to be drawn does not constitute a homogenous group, then stratified sampling technique is applied so as to obtain a representative sample. In this techniques the population is stratified into a number of non overlapping subpopulations or strata and sample items are selected from each stratum. If the items selected from each stratum is based on simple random sampling the entire procedure first stratification and the simple random sampling is known as stratified random sampling.
1. ABC produces a single product. Material A is added at the start of production and Material B at the end. Conversion is uniform throughout. Inspection before Material B is added.
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Question: (a) Find the number of different words which can be formed with the letters A, A, A, B, B, C, C if (i) there is no restriction (ii) they must st
In this problem set we are going to analyze returns of indices for three hedge funds strategies (market neutral, risky arbitrage, long/short). The indices are constructed by CSFB/T
multiplicative model..
Quick Company acquired a piece of equipment in Year 1 st cost $100,000. The equipment has a 10-year estimated life, zero salvage value and a depreciation of a straight line basis.
find a distribution with 10 values between 0 and 10 that has as large a variance as possible
calculate the probabilities correct to 6 decimal places. Let pie = 0.02. a. P(X less than 3,
October Transactions Date Transaction Description Oct. 1 Began business by making a deposit in a company bank account of $12,000, in exchange for 1,200 shares of $10 par value com
A retail store has recently hired you as a consultant to advise on economic conditions. One important indicator that the retail store is concerned about is the unemployment rate.
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