1. At the same time each day, a researcher records the temperature in each of three greenhouses. The table shows the temperatures in degrees Fahrenheit recorded for one week. Greenhouse 1 Greenhouse 2 Greenhouse 3 73 71 67 72 69 63 73 72 62 66 72 61 68 65 60 71 73 62 72 71 59 Use a 0.05 significance level to test the claim that the average temperature is the same in each greenhouse. a. Calculate the descriptive statistics (sample size, mean, and standard deviation) for each greenhouse. b. State the null hypothesis and alternative hypothesis. c. Specify the significance level. d. Calculate the test statistic. e. Determine the p-value. f. State a conclusion about the null hypothesis. g. State the final conclusion that addresses the original claim.
Added by Bobby M.
Close
Step 1
The null hypothesis (H0) is that there is no significant difference in the average temperature between the three greenhouses. The alternative hypothesis (Ha) is that there is a significant difference in the average temperature between the three greenhouses. c. Show moreā¦
Show all steps
Your feedback will help us improve your experience
Anna D. and 88 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Various temperature measurements are recorded at different times for a particular city. The mean of 20°C is obtained for 60 temperatures on 60 different days. Assuming that test the a: 1.5 C claim that the population mean is 23C . Use a 0.05 significance level. a) Identify the null and alternative hypotheses for the test. b) Identify the test statistic for this hypothesis test. c) Identify the P-value for this hypothesis test. d) Identify the conclusion for this hypothesis test. e) State the final conclusion regarding the original claim.
David N.
a. State the null and alternate hypotheses b. What is the level of significance? c. Compute the value of the test statistic d. Calculate the p value e. What is your decision regarding the null hypothesis? Interpret the result.
Sri K.
Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. According to a recent poll 53% of Americans would vote for the incumbent president. If a random sample of 100 people results in 45% who would vote for the incumbent, test the claim that the actual percentage is 53%. Use a 0.10 significance level. a. State the hypotheses (null and alternative). b. Calculate the test statistic. c. Find the p-value for the test statistic. d. Determine the conclusion about the null hypothesis (reject or fail to reject). e. State your conclusion about the claim by stating one of the following and filling in the blank. i. There is sufficient evidence to support the claim that _____. ii. There is not sufficient evidence to support the claim that _____. iii. There is sufficient evidence to warrant rejection of the claim that _____. iv. There is not sufficient evidence to warrant rejection of the claim that _____.
Madhur L.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD