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- Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each snack İS summarized in the histogram below. 12 10 8 4 140 142 144 146 148 150 152 154 amount of sugar (mg) What Is the sample size for this data set? 2.Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: 95 77 64 88 62 72 53 82 56 79 53 53 54 76 55 Female: 65 63 87 89 84 76 87 68 93 88 69 93 82 87 70 Find the means. The mean for males is beats per minute and the mean for females is beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Find the medians. The median for males is beats per minute and the median for females is beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Compare the results. Choose the correct answer below. O A. The mean and the median for males are both lower than the mean and the median for females. O B. The mean and the median for females are both lower than the mean and the median for males. O C. The mean and median appear to be roughly the same for both genders. O D. The…Blood pressure: A blood pressure measurement consists of two numbers: the systolic pressure, which is the maximum pressure taken when the heart is contracting, and the diastolic pressure, which is the minimum pressure taken at the beginning of the heartbeat. Blood pressures were measured, in millimeters. for a sample of 8 adults. The following table presents the results. Systolic Diastolic 126 88 104 86 103 80 110 80 122 71 117 88 130 75 118 69 Send data to Excel The least-squares regression line y=b,+b,x= 101.5438 – 0.1885x and E (x- x) = 685.5000 are known for this data. Use the critical value method to test H:B,=0 versus H : B,<0. Can you conclude that systolic blood pressure is useful in predicting diastolic blood pressure? Use the a=0.01 level of significance. Microsc Dart: 0 / A w MacBook Air
- Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: Female: 81 57 61 80 71 91 63 61 85 77 88 64 59 53 86 54 96 60 82 67 70 85 81 91 84 78 86 69 65 79 Find the means. The mean for males is beats per minute and the mean for females is (Type integers or decimals rounded to one decimal place as needed.) beats per minute.The accompanying data table contains the prices and weights of the diamonds in 10 rings offered for sale. The prices are 4 carats an Xough d belo Data (Daund both The weight in carats and price in dollars for 10 diamond rings Weight 0.29 0.32 0.34 0.17 0.36 0.36 0.12 0.14 0.23 0.26 Price 924 881 1,039 445 1,073 1,034 120 320 665 733 Print Done - rings. ble.I need to the right answer for this please.
- 2The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below. У, No. of absences, x 1 2 4 6. 7 8 9. Final grade, y 88.8 85.9 83.0 80.6 77.7 73.3 63.5 68.3 65.4 62.6 (Round to three decimal places as needed.) A. For every unit change in the final grade, the number of days absent falls by days, on average. B. For every day absent, the final grade falls by on average. C. For zero days absent, the final score is predicted to be 88.778 . D. For a final score of zero, the number of days absent is predicted to be days. E. It is not appropriate to interpret the y-intercept. (c) Predict the final grade for a student who misses five class periods and compute the residual. Is the observed final grade above or below average for this number of absences? The predicted final grade is |. This observation has a residual of, which indicates that the final grade is average. (Round to one decimal…The accompanying data represent the miles per gallon of a random sample of cars with a three cylinder 1.0 liter engine
- A statistics student wanted to investigate the weights of bags of a popular chocolate candy. The data for the weights of the bags, in ounces, are given below. 1.78 1.67 1.86 1.72 1.69 1.78 1.75 1.74 1.7 Which of the following boxplots correctly displays the data?1)Dataset: 88 123 47 45 66 190 157 91 2) Using the dataset from Question #1, what is the median (Round your answer to the one decimal place)?What is the zscore for: data= 31 mean =39 Sx= 3.7 O 2.16 O -2.16 О 3.7 O -3.7
