1) 1. This hypothesis states that there is no difference between population parameters and the hypothesized value.  a) alternative hypothesis b) hypothesis c) null hypothesis d) two-tailed hypothesis 2) 2. When the value of parameter has significant difference with the hypothesized value, then is called _____________. a) one-tailed test b) two-tailed test c) alternative hypothesis d) null hypothesis 3) 3. The sign of the alternative hypothesis in a left tailed test is always _______. a) equal b) not equal c) greater than d) less than 4) 4. If the researcher wishes to test the claim that the mean of the population is 75, the appropriate null hypothesis is: a) µ ≤ 75 b) µ ≥ 75 c) µ ≠ 75 d) µ = 75 5) 5. What kind of hypothesis is illustrated below? a) one-tailed test b) two-tailed test c) null hypothesis d) alternative hypothesis 6) 6. A researcher thinks that if expectant mothers use vitamins, the birth weight of the babies will increase. The average birth weight of the population is 3.9 kgs. What is the alternative hypothesis? a) Ha: µ > 3.9 b) Ha: µ < 3.9 c) Ha: µ = 3.9 d) Ha: µ ≠ 3.9 7) 7. According to the report, the average weight of Filipino newborn baby is 2.8 kgs. Melissa wants to perform a significance test to see if this holds true in her nation. She takes a random sample of babies and observes that the average weight of newborns is 3 kg. What is the null hypothesis a) Ha: µ > 2.8 b) Ha: µ < 2.8 c) Ha: µ = 2.8 d) Ha: µ ≠ 2.8 8) 8. "A modern approach in advertisement will not increase the demand for a product." This is an example of _________hypothesis. a) null b) mean c) alternative d) right-tailed 9) 9. Which is the correct null hypothesis of the given statement ? "According to the owner, an average of 500 people buys foods at McDonalds during breakfast and lunch hours." a) Ho = 500 b) Ho ≠ 500 c) Ho < 500 d) Ho > 500 10) 10. Which directional test is illustrated in the given problem: " In a recent survey, the average amount of money students have in their wallet is P200 with standard deviation of 45. A teacher feels that the average amount is lower. She surveyed 80 randomly selected students and found that the average amount is P35  a) left-tailed b) two-tailed c) alternative d) right-tailed

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