URGENT....HELP QUICKLY
2 answers:
Answer: Here is your answer, 0.10, 0.60, 0.20, and 0.1
Step-by-step explanation:
You add up the f values and then divide them each by the value you got, which is 200. So in this case 20/200 = 0.1, and so forth. So you drag the slider up to 0.10, and do the same for each. I will send a picture with the exact answer.
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Answer:
Since the p value is less than the significance level of 0.1 we have enough evidence to reject the null hypothesis and we can conclude that the true growth rate is significantly less than 3 cm per week
Step-by-step explanation:
Information given
represent the sample mean for the growth
represent the sample standard deviation
sample size
represent the value to check
represent the significance level
t would represent the statistic
represent the p value for the test
System of hypothesis
We want to verify if the true mean for the growth us less than 3cm per week, the system of hypothesis are:
Null hypothesis:
Alternative hypothesis:
We don't know the population deviation so we can use the t statistic:
(1)
Replacing the info given we got:
The degrees of freedom are given by:
The p value for this case would be given by:
Since the p value is less than the significance level of 0.1 we have enough evidence to reject the null hypothesis and we can conclude that the true growth rate is significantly less than 3 cm per week