Please check my answer in the 18 true or false.

1. False

2. False

3. False

4. True

5. False

6. True

7. True

8. False

And for the 9 and 10, how to answer that?

1. In a research problem, there are always two kids of hypothesis - the null hypothesis and the altered hypothesis. 2. The alternative hypothesis means that there is no difference between two sample groups. 3. A negative one tailed graph would have the two ends of the normal curve graph shaded. 4. Significance levels of a research are always at a 90%, 95% and 99% level. 5. A type 2 error occurs when the null hypothesis is rejected when it is in fact true. 6. The hypothesis of a study must always be formed at the beginning of the research. 7. To reject the null hypothesis, the p value must be