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- The data in the accompanying table represent the length of life, in years, measured to the nearest tenth, of 30 similar fuel pumps. Complete parts (a) through (c) below. Click the icon to view the fuel pump data. (a) Construct a stem-and-leaf plot for the life in years of the fuel pumps, using the digit to the left of the decimal point as the stem for each observation. Stem Leaf Frequency Get more help. Fuel Pump Life Spans 2.4 3.3 0.4 3.1 1.3 0.2 0.5 5.6 5.9 6.2 0.5 2.4 1.4 4.3 6.3 1.7 4.9 0.2 4.6 0.4 1.5 0.5 2.3 4.8 1.0 5.6 5.9 6.0 1.2 0.2 Print Done -X eck answA student receives test scores of 62, 83, and 91. The student's final exam score is 88 and homework score is 76. Each test is worth 25%, the final exam is 30% and the homework grade is 20%. Notice that the total score is 125%. What is the student's mean score(e.g. final grade) in the class? (Round answers to 2 decimal places. Show work)Construct a normal quantile-quantile plot of the values provided in the accompanying data set, which represent the diameters of 36 rivet heads in 1/100 of an inch. Click the icon to view the diameter data. Choose the correct graph below. A. Normal Quantile-Quantile Plot Normal Quantile-Quantile Plot 5.95- 5.85- 5.75- 5.65- 0.2 0.4 0.6 0.8 1 5.65 5.75 5.85 5.95 Theoretical Quantities Theoretical Quantities D. Normal Quantile-Quantile Plot Normal Quantile-Quantile Plot 5.95- 1- 5.85- 0.5- 5.75- • 000 0- 5.65- -2 5.95 -1 1 5.65 5.75 5.85 Theoretical Quantities Theoretical Quantities Diameter data 5.83 5.77 5.81 5.73 5.73 5.75 5.85 5.84 5.83 5.89 5.71 5.83 5.71 5.81 5.87 5.81 5.84 5.74 5.83 5.84 5.78 5.76 5.71 5.87 5.82 5.78 5.75 5.82 5.89 5.79 Help me solve this View an example Get m 5.71 5.85 5.85 5.78 5.76 5.71 C. Sample Quantities Sample Quantities B. Sample Quantities Sample Quantities of
- Please answer Part b,c,d correctly d) Explain in context what your interval means. Select the correct choice below. A. 95% of all bags of tortilla chips will have a mean weight that falls within the interval. B. 95% of the weights of the bags of tortilla chips will be contained in the interval. C. The interval contains the true mean weight of the contents of a bag of tortilla chips 95% of the time D. We are 95% confident that the interval contains the true mean weight of the contents of a bag of tortilla chipsUse a stem-and-leaf plot to display the data, which represent the thickness (in centimeters) of ice measured at 20 different locations on a frozen lake. Describe any patterns. 5.8 6.3 6.9 7.2 5.1 4.9 4.6 5.8 7.0 6.8 8.2 7.5 7.2 5.8 7.2 8.0 7.4 6.9 5.9 4.9 Determine the leaves in the stem-and-leaf plot below. Key: 3|3 = 3.3 Ice Thickness 6| 8 What best describes the data? A. Most thicknesses are greater than 7 centimeters. B. Most thicknesses are 6 centimeters. C. Most thicknesses are between 5 and 8 centimeters. D. Most thicknesses are less than 5 centimeters.These values have an average of 8. What is the average distance of those values from that average of 8? 0 2 6 14 18
- THIS o pts possible Submit Test ut ti The data represents the heights of eruptions by a geyser. Use the heights to construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest Height of eruption (in.) 67 32 50 90 70 80 50 40 50 68 72 51 60 59 65 60 77 70 42 83 H. 臺 Which plot represents a stemplot of the data? A. O B. OC. 3 2 402 500019 6 00578 70027 803 3 2 4 001578 5 0027 6 003 70029 8 0 9 0 3029 4 017 5008 6 000 7005 8027 9 03 Gr 9 0 Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. The values closest to the middle are inches and inches. (Type whole numbers. Use ascending order.)calculate the standard error. May normally be assumed? (Round your answers to 4 decimal place.) standard error a. n= 23, TT = .20 b. n=52, TT = .48 c. n=120, TT = .52 d. n=488, TT = . 002THUMBS UP will be given! Please follow the instructions carefuly for the final answers. No long explanation needed. STATISTICAL ANALYSIS answer only letter "d"
