Hypothesis testing Essay Example | Topics and Well Written Essays - 250 words

guessing exam - Essay Example there is a procedure followed in surmisal testing. The first step involves the stating of both the null and alternate hypothesis. The hypothesis is stated in a manner that they are mutually exclusive. The second stage is the determination of the take aim of significance (Lehmann, 2004). The higher the level of significance, the higher the precision attained. The sample size is then determined to release for the collection of data. The size of data will determine the type of test conducted.After the collection of data, cardinal moves to the stage of data analysis. In this stage, the valuate of test statistics is calculated e.g. z-value or the t-value (2012). The analysis of the calculated value is made by use of the statistical tables. The table is used to determine if the calculated score waterfall within the acceptance or rejection region (Lehmann, 2004). The final stage is then made depending on the localization principle of the score. If the c alculated value falls in the rejection region, the null hypothesis is rejected implying that there is significant renewing in the observation made.Two kinds of error can be made in hypothesis testing type one and type two errors. Type one error is that which leads to the rejection of null hypothesis which is aline whereas type two error is the error of accepting a false null hypothesis. In conclusion, the stages in hypothesis testing if well followed makes the hypothesis testing easy to comprehend and make statistical decisions. Hypothesis testing is therefore essential in analyzing data to determine its validity and truthfulness hence all important(p) in making statistical