1) Which of the following situations calls for a hypothesis test about a population mean? a) A report on the college board website stated that in 2003 males scored generally higher than females on the SAT exam. An educational researcher wants to check whether this is true in her school district. b) A pregnant woman wants to determine if her baby is a boy. c) In the Maputi cotton factory, the employees want to confirm the news on the increase of their gross salary to 700 pesos. d) Ben is surfing in the play store to download a game in his old Samsung tablet. he found an arcade game wit a size of 750 mb. He is not aware of the free space in his gadget so he wants to know if he can install the game. 2) If the critical region is evenly distributed then the test is referred as? a) One-tailed b) Two-tailed c) Three-tailed d) Zero-tailed 3) Which of the following is defined as the rule or formula to test a null hypothesis? a) Population statistic b) Null Statistic c) Variance statistic d) Test statistic 4) Consider a hypothesis where 𝑯𝒐:𝝁=𝟑𝟎 and 𝑯𝒂:𝝁<𝟑𝟎. The test is? a) Right Tailed b) Left Tailed c) Center tailed d) Cross tailed 5) If a hypothesis is rejected at the 0.025 level of significance, it: a) Must be rejected at any level b) Must be rejected at the 0.01 level c) Must not be rejected at the 0.01 level d) May or may not be rejected at the 0.01 level 6) If we do not reject the null hypothesis, we conclude that: a) there is enough statistical evidence to infer that the alternative hypothesis is true b) there is not enough statistical evidence to infer that the alternative hypothesis is true c) there is enough statistical evidence to infer that the null hypothesis is true d) the test is statistically insignificant at whatever level of significance the test was conducted at 7) A basketball team bangs an average winning score of 76.83 during the first season. At 𝛼=0.05 the secretary wants to determine if the average score will increase with two newly hired trainers. In his data, the average is not known and it is not a normal data. What test statistics to be used in this problem? a) Test Statistics b) Rejection Region c) Z-test d) T-test 8) What is the first step in computing test hypothesis? a) State the null and alternative hypothesis b) Identify the level of significance c) Compute the test statistic d) Determine the critical region 9) What is a hypothesis test? a) used to make decisions or judgments about the value of a parameter, such as the population mean. b) used as a basis for deciding whether the null hypothesis should be rejected. c) used as a basis for deciding whether the null hypothesis shouldn't be rejected. d) used to reject decisions or judgments about the value of a parameter, such as the population mean. e) 10) What determines whether the test statistic is within the rejection region or not? a) Critical value b) Test statistics c) Z-test d) T-test

Hypothesis Testing

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