# hypothesis testing

1. Thread

### The margarita is one of the most common tequila-based cocktails, made with tequila, triple sec, and

The margarita is one of the most common tequila-based cocktails, made with tequila, triple sec, and lime juice, often served with salt on the...
Thread by: math_celebrity, Jan 16, 2017, 0 replies, in forum: Calculator Requests
2. Thread

### The first significant digit in any number must be 1, 2, 3, 4, 5, 6, 7, 8, or 9. It was discovered t

The first significant digit in any number must be 1, 2, 3, 4, 5, 6, 7, 8, or 9. It was discovered that first digits do not occur with equal...
Thread by: math_celebrity, Jan 8, 2017, 0 replies, in forum: Calculator Requests
3. Thread

### Six Years ago, 12.2% of registered births were to teenage mothers. A sociologist believes that the

Six Years ago, 12.2% of registered births were to teenage mothers. A sociologist believes that the percentage has decreased since then. (a)...
Thread by: math_celebrity, Jan 8, 2017, 0 replies, in forum: Calculator Requests
4. Thread

### Construct a confidence interval of the population proportion at the given level of confidence. x = 1

Construct a confidence interval of the population proportion at the given level of confidence. x = 120, n = 300, 99% confidence Round to 3 decimal...
Thread by: math_celebrity, Jan 8, 2017, 0 replies, in forum: Calculator Requests
5. Thread

### A researcher posed a null hypothesis that there was no significant difference between boys and girls

A researcher posed a null hypothesis that there was no significant difference between boys and girls on a standard memory test. He randomly...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
6. Thread

### Imagine a researcher posed a null hypothesis that in a certain community, the average energy expendi

Imagine a researcher posed a null hypothesis that in a certain community, the average energy expenditure should be 2,100 calories per day. He...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
7. Thread

### Which of the following descriptions of null hypothesis are correct? (Select all that apply) a. A nu

Which of the following descriptions of null hypothesis are correct? (Select all that apply) a. A null hypothesis is a hypothesis tested in...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
8. Thread

### If a statistical test result is not significant at the 0.05 level, then we can conclude: a. It is no

If a statistical test result is not significant at the 0.05 level, then we can conclude: a. It is not significant at 0.01 level b. It is not...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
9. Thread

### If the P-value of a hypothesis test is 0.40, you conclude a. You accept the null hypothesis b. You r

If the P-value of a hypothesis test is 0.40, you conclude a. You accept the null hypothesis b. You reject the null hypothesis c. You failed to...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
10. Thread

### A student posed a null hypothesis that during the month of September, the mean daily temperature of

A student posed a null hypothesis that during the month of September, the mean daily temperature of Boston was the same as the mean daily...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
11. Thread

### When you conduct a hypothesis testing, at which of the following P-value, you feel more confident to

When you conduct a hypothesis testing, at which of the following P-value, you feel more confident to reject the null hypothesis? a. 0.05 b. 0.01...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
12. Thread

### A student hypothesized that girls in his class had the same blood pressure levels as boys. The proba

A student hypothesized that girls in his class had the same blood pressure levels as boys. The probability value for his null hypothesis was 0.15....
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
13. Thread

### A teacher hypothesized that in her class, grades of girls on a chemistry test were the same as grade

A teacher hypothesized that in her class, grades of girls on a chemistry test were the same as grades of boys. If the probability value of her...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
14. Thread

### Conventionally, the null hypothesis is false if the probability value is: a. Greater than 0.05 b. L

Conventionally, the null hypothesis is false if the probability value is: a. Greater than 0.05 b. Less than 0.05 c. Greater than 0.95 d. Less...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
15. Thread

### A professor assumed there was a correlation between the amount of hours people were expose to sunlig

A professor assumed there was a correlation between the amount of hours people were expose to sunlight and their blood vitamin D level. The null...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
16. Thread

### A researcher believed that there was a difference in the amount of time boys and girls at 7th grade

A researcher believed that there was a difference in the amount of time boys and girls at 7th grade studied by using a two-tailed t test. Which of...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
17. Thread

### A Government antipollution spokeperson asserts that more than 80% of the plants in the Glassboro are

A Government antipollution spokeperson asserts that more than 80% of the plants in the Glassboro area meet the antipollution standards. An...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
18. Thread

### A firm wants to know with a 98% level of confidence if it can claim that the boxes of detergent it s

A firm wants to know with a 98% level of confidence if it can claim that the boxes of detergent it sells contain more than 500g of detergent. From...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
19. Thread

### Suppose a firm producing light bulbs wants to know if it can claim that its light bulbs it produces

Suppose a firm producing light bulbs wants to know if it can claim that its light bulbs it produces last 1,000 burning hours (u). To do this, the...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests
20. Thread

### A candidate for mayor wants to gauge potential voter reaction to an increase recreational services b

A candidate for mayor wants to gauge potential voter reaction to an increase recreational services by estimating the proportion of voter who now...
Thread by: math_celebrity, Jan 7, 2017, 0 replies, in forum: Calculator Requests