It is another area of inferential statistics that makes a decision process for evaluating claims about aPERFORMANCE 1: Solve for the z-test, t-test and z test for proportion). Choose only one problem to answer inLevel OF SigniFicanse is a measure of the strength of the evidence that must be present in sample before reject the nullCritical Region 4. Under the normal curve it refers to the region where the value of the test statistics lies for which weAltormative Hypothesisit is types of hypotheses that there is difference between a parameter and a specific value.ulation based on the characteristics of a sample purportedly coming from the populationNUll Huypothesis 6. It is the starting point of the investigation in hypothesis testing.Teject thc nun nyy7. What is the symbol that can be used to denote the probability of committing Correct Decision A?3. It is an educated guess or proposition that attempts to explain a set of facts or natural phenomenon.Hypothesiswill reject the null hypothesis.StatisticS. It is the numerical value that describes a particular sample.a and BFormula0. The calculations in determining rejection can be graphically represented by usingpothesis and conclude that the effect is statistically significant.your one whole sheet of pad aper.Do average ivapismai cosi inciudes 56 guesis. A randum sauuuis vi 32 bapiismai iurng iePast year in the National Capital Region had a mean of 53 gouests and a standard deviation of10. Is there sufficient evidence at the 0.05 level of significance that the average number ofguests differs from the national average?1.2. One of the undersecretary of the Department of Laber and empleyment (DOLE) elate thatthe average salary of a civil engineer is P18,000. A sample of 19 civil engineers' salary has amean of P17,350 and a standard deviation of P1,230. Is there enough evidence to reject theundersecretary's claim at a=0.01?

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