The abdomen length (in millimeters) was measured in 15 maleDrosophila, and the following data were obtained: 1.9, 2.4, 2.1,2.0, 2.2, 2.4, 1.7, 1.8, 2.0, 2.0, 2.3, 2.1, 1.6, 2.3, and 2.2. Calculatethe mean, standard deviation, and variance for this population ofmale fruit flies.
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The abdomen length (in millimeters) was measured in 15 male
Drosophila, and the following data were obtained: 1.9, 2.4, 2.1,
2.0, 2.2, 2.4, 1.7, 1.8, 2.0, 2.0, 2.3, 2.1, 1.6, 2.3, and 2.2. Calculate
the mean, standard deviation, and variance for this population of
male fruit flies.
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- For each of the samples below, calculate the mean, variance, standard deviation, and standard error of the mean. Mean serum cholesterol levels (mg/100m²) of male female turtles. Females 220-1 218.6 229.6 228.8 222.0 224.1 226.5 Males 223,4 221.5 230.2 224.3 223.8 230.8You repeatedly draw samples ofn= 100 from a population with a mean of 75 and a standard deviation of 4.5. What sample mean corresponds to az-score of 2.00?The calculated chi-square value which is 0 is less than the critical value which is 5.991 (under the degree of freedom 2). What is the probability of the computed chi-square value? And is it part of the population in Hardy-Weinberg equilibrium?
- 71 y = 23.397 + 0.65027x 70 69 68 67 66 65 64 66 68 70 72 MidParent height (x) Mean height of adult Offspring (y)Calculate the Variance of the following data set: 10, 15, 13, 12, 14Compare the 95% confidence interval for the difference between two true means with the 95% confidence interval for an individual true kean. Describe one way in which these two equations are similar and state four ways in which these equations differ.
- Consider a clustered and ordered population of size N=10. Use systematic sampling with i = 2 , to obtain a clustered random sample of size n=5. Compute the variance of the cluster mean estimate of population mean. Please give correct solution.Which is the correct equation for the chisquare statistic? Group of answer choices a)x^2 = [(observed-expected)^2]/expected b)x^2 = sum[((observed-expected)^2)/observed] c)x^2 = sum[((observed-expected)^2)/expected] d)x^2 = sum[(observed-expected)/expected] What is a "p-value"? Group of answer choices a)the threshold at which you will reject the null hypothesis b)the probability of the null hypothesis being false c)the percentage of days you are sick during the year d)the probability of the null hypothesis being trueWhich is the correct equation for the chisquare statistic? Group of answer choices a)x^2 = [(observed-expected)^2]/expected b)x^2 = sum[((observed-expected)^2)/observed] c)x^2 = sum[((observed-expected)^2)/expected] d)x^2 = sum[(observed-expected)/expected] What is a "p-value"? Group of answer choices a)the threshold at which you will reject the null hypothesis b)the probability of the null hypothesis being false c) the percentage of days you are sick during the year d) the probability of the null hypothesis being true
- A hypothetical study investigated the vitamin A content and thecholesterol content of eggs from a large population of chickens.The variances (V) were calculated, as shown at the top of the nextcolumn: Variance Vitamin A CholesterolVP 123.5 862.0VE 96.2 484.6VA 12.0 192.1VD 15.3 185.3 Calculate the narrow-sense heritability (h2) for bothtraits.Corn plants from a test plot are measured, and the distribution of heights at 10-cm intervals is recorded in the following table: Height (cm) Plants (no.) 100 20 110 60 120 90 130 130 140 180 150 120 160 70 170 50 180 40 Calculate (a) the mean height, (b) the variance, (c) the standard deviation, and (d) the standard error of the mean. Plot a rough graph of plant height against frequency. Do the values represent a normal distribution? Based on your calculations, how would you assess the variation within this population?What does P-value indicate? In statistical analysis the results for two sets of data are presented with P < 0.01 and P<0.005. What does it mean?