Which one of these graphs does not represent a normal distribution?
Q: On average, a banana will last 6.9 days from the time it is purchased in the store to the time it is…
A: Given data is6.2, 6.2, 7.9, 6.4, 5.8, 6.3, 8.3, 7.1, 9.3, 8.2, 6.5, 9.4, 9.2sample size(n)=13α=0.10
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Q: Which of the following is closest to the shaded area under the normal distribution curve shown?
A: The area under the curve is less than 2 standard deviations away from the mean. Thus, around 97.5%…
Q: On average, a banana will last 6.5 days from the time it is purchased in the store to the time it is…
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Q: On average, a banana will last 7 days from the time it is purchased in the store to the time it is…
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Q: Assume the samples are random and independent, the populations are nomally distributed, and the…
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Q: Why is the mean affected by extreme scores occurring in only one tail of the distribution? O Because…
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Q: In which distribution does the amount of data below 20.5 most closely match that above 30.5? Please…
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Q: What percentage of scores in a normal distribution fall at or above a z score of 1.04?
A: given data normal distribution percentage of scores above Z:1.04 = ?
Q: How to create a frequency distribution?
A: Frequency of each class is obtained by counting the number of times each data point appeared in each…
Q: On average, a banana will last 6.8 days from the time it is purchased in the store to the time it is…
A: Given : Claim : The population mean time that it takes for bananas to spoil if they are hung from…
Q: What does a distribution represent?
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Q: Find the sample size necessary for an 80% confidence level with a maximal margin of error E= 0.07…
A: Given that s.d =0.34,alpha =0.2,E =0.07 ( e) n= ?
Q: Find the z- score that has 74.5% of the distribution's are to its right
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Q: Should averages be taken literally? What are the drawbacks?
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Q: On average, a banana will last 6 days from the time it is purchased in the store to the time it is…
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Q: examples of a normal distribution questions.
A: 1)
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- the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?The following graph shows that the normal distribution A has greater variability than the normal distribution B. True or falseOn average, a banana will last 6.7 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil greater if the banana is hung from the ceiling? The data show results of an experiment with 14 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 7.6, 6.2, 5.7, 7.9, 8.6, 7.9, 6, 6.7, 6.1, 5.8, 8.8, 8.1, 5.4, 5.6 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: Select an answer H1: ? Select an answer c. The test statistic ? (please show your answer to 3 decimal places.) = d. The p-value (Please show your answer to 4 decimal places.) е. The p-valuе is (? f. Based on this, we should | Select an answer the null hypothesis. g. Thus, the final conclusion is that The data suggest the populaton mean is significantly more than 6.7 at a = 0.01, so there is…
- On average, a banana will last 6.8 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil greater if the banana is hung from the ceiling? The data show results of an experiment with 14 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 6.8, 6.4, 7.4, 7.5, 9, 7.9, 8.4, 9.5, 7.9, 7.4, 7.5, 9.4, 6.1, 7.4 What can be concluded at the the αα = 0.10 level of significance level of significance? For this study, we should use The null and alternative hypotheses would be: H0:H0: H1:H1: The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is αα Based on this, we should the null hypothesis.On average, a banana will last 6.6 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil different if the banana is hung from the ceiling? The data show results of an experiment with 14 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 7.9, 6, 5.5, 8.1, 7.9, 8.8, 6.6, 8.7, 6.2, 6.3, 8.6, 6.7, 8.5, 9.3 What can be concluded at the the α = 0.01 level of significance level of significance? a. For this study, we should use [t-test for a population mean b. The alternative hypothesis would be: H₁: Hv c. The test statistic d. Based on this, we should Select an answer e. Thus, the final conclusion is that ... Select an answer (please show your answer to 3 decimal places.) the null hypothesis.I am unsure how to label this graph, can someone help explain how to label it? Thank you.
- age, a Bahand will last 6.3 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil different if the banana is hung from the ceiling? The data show results of an experiment with 15 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 5.5, 3.9, 3.9, 5.7, 6.5, 5.9, 3.9, 7.4, 4.3, 5.9, 4.5, 4.2, 7, 5.1, 4 What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer H₁: ? Select an answer c. The test statistic ? O (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) d. The p-value = e. The p-value is ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The data suggest the populaton mean is significantly different from 6.3 at a = 0.05, so there is…Sunscreens are products that protect the skin from skin cancer by preventing the sun's ultraviolet (UV) radiation from penetrating the skin. According to dermatologists, the recommended amount of sunscreen needed to cover the exposed areas of the body is at least an ounce. In a study conducted specifically for a group of women aged 21 to 30 years, it was found the amount of sunscreen (X) applied by the group follows the normal distribution with mean of 0.6 ounce and standard deviation of 0.25 ounce. About ___% of the women aged 21 to 30 years is applying 0.1 to 1.1 ounce ofThe incomes of math tutors in a tutoring center of a university are normally distributed with a mean of $1100 and a standard deviation of $150 what percentage of tutors earn less than $900 a month
- On average, a banana will last 6.6 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil less if the banana is hung from the ceiling? The data show results of an experiment with 13 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 6.3, 6.1, 3.9, 5.8, 4.7, 6.4, 7.5, 6.3, 7.8, 5.5, 5.5, 7.5, 7.4 What can be concluded at the the αα = 0.10 level of significance level of significance? For this study, we should use Select an answer t-test for a population mean z-test for a population proportion The null and alternative hypotheses would be: H0:H0: ? μ p Select an answer = < ≠ > H1:H1: ? p μ Select an answer ≠ = < > The test statistic ? t z = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is ? ≤ > αα Based on this, we should Select an answer reject accept fail to reject…On average, a banana will last 6.1 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil greater if the banana is hung from the ceiling? The data show results of an experiment with 13 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 7.4, 7.5, 7.9, 5.7, 5.9, 8.1, 4.8, 8.7, 6.8, 5.9, 8.2, 5.1, 5.1 What can be concluded at the the αα = 0.10 level of significance level of significance? For this study, we should use Correct The alternative hypothesis would be: H1:H1: Correct Correct Correct The test statistic Correct = (please show your answer to 3 decimal places.) Based on this, we should Correct the null hypothesis. Thus, the final conclusion is that ...Assume the samples are random and independent, the populations are nomally distributed, and the population variances are equal. The table available below shows the prices (in dollars) for a sample of automobile batteries. The prices are classified according to battery type. At a = 0.10, is there enough evidence conclude that at least one mean battery price is different from the others? Complete parts (a) through (e) below. E Click the icon to view the battery cost data. (a) Let u1. P2. H3 represent the mean prices for the group size 35, 65, and 24/24F respectively. Identify the claim and state Ho and H. H Cost of batteries by type The claim is the V hypothesis. Group size 35 Group size 65 Group size 24/24F 101 111 121 124 D 146 173 182 278 124 140 141 89 (b) Find the critical value, Fo, and identify the rejection region. 90 79 84 The rejection region is F Fo, where Fo = (Round to two decimal places as needed.) (c) Find the test statistic F. Print Done F= (Round to two decimal places as…
