THE FF. WERE THE RESULTS OF THE EXAMINATION CONDUCTED FOR GRADUATING STUDENTS. FIND THE MEDIAN (USE 4 DECIMAL PLACES) SCORE INTERVAL 65 91-100 5 95.5 81-90 5 85.5 60 71-80 13 75.5 55 61-70 12 65.5 42 10 55.5 30 51 - 60 41-50 f x
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- I need help explaining parts a and b.For some data, we know the range R of the data is 12 and its median is 6. Find Estimated Lowest Number, and Estimated Highest Number for this data. Give you answers in the same order asked.The organization of the Girl Scouts has completed its annual cookie drive. The sales are reported in the accompanying ogive. Approximate the percentage of girls who sold more than 70 boxes of cookies.
- The Venn diagram here shows the cardinality of each set. Use this to find the cardinality of the given set. A 9 n(An (BUC)) = 6 12 8 B 5The median and mode of the wage distribution are known to be ₹ 3,350 and ₹ 3,400 respectively. Find the values of f3, f and f5 + No. of Employees Wages (in) 0-1,000 1,000-2,000 2,000-3,000 3,000-4,000 4 16 f3 f4 Wages (in) 4,000-5,000 5,000-6,000 6,000-7,000 Total No. of Employees f5 6 4 230A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year period. Z-value p-value Single Policyholders n₁ = 440 Number making claims = 88 a. Use a = 0.05. Test to determine whether the claim rates differ between single and married male policyholders. (to 2 decimals) (to 4 decimals) X Married Policyholders n2 = 840 Number making claims 126 We can conclude ✔ that there is the difference between claim rates. b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number. X * )
- Use the Histogram tool to develop a frequency distribution and histogram for the number of months as a customer of the bank in the data below. Compute the relative and cumulative relative frequencies and use a line chart to construct an ogive. Complete the frequency distribution for the months as a customer, and compute the relative and cumulative relative frequencies. (Type integers or decimals rounded to three decimal places as needed.) Bins Frequency Relative Frequency Cumulative Relative Frequency 10 enter your response here enter your response here enter your response here 20 enter your response here enter your response here enter your response here 30 enter your response here enter your response here enter your response here 40 enter your response here enter your response here enter your response here 50 enter your response here enter your response here enter your…For the residents in 2014, use R to calculate the interval with 99% certainty that the interval contains the actual population mean of the residents by census tracts. Type in the interval with keyboard. We also know that in each year, the number of residents by census tract in the State of Maryland follows a normal distribution, and the variance in the number of residents within the State of Maryland is the same for different years. POP2014: 3072, 1989, 3794, 2689, 3211, 3722, 4385, 4009, 7598, 3862, 3097, 2726, 4881, 4157, 2570, 2512, 2518, 4863, 4147, 7139, 6067, 6819, 3705, 3239, 3824, 4977, 2576, 2940, 9791, 5231, 5634, 5337, 4205, 3888, 5562, 3335, 3770, 1808, 2045, 1532, 5420, 4993, 6109, 4377, 5424, 4976, 4507, 3738, 2827, 3485, 1559, 5199, 4702, 3971, 3803, 3356, 4670, 3816, 5477, 4760, 3126, 3630, 3755, 3795, 2578, 3382, 4005, 2442, 6096, 3799, 3843, 3836, 6046, 6431, 3561, 3142, 4829, 5058, 2471, 6119, 3523, 3094, 3146, 3356, 2618, 2366, 4266, 4016, 6080, 1554, 6878, 3645,…A retail survey asked college students how much they planned to spend in various categories during the upcoming academic year. One category is the amount students planned to spend on school supplies. The data below show the amount of money students planned to spend on school supplies. 58, 60, 67, 69, 70, 73, 74, 77, 78, 80, 83, 84, 87, 89, 94, 96, 97, 100, 102, 105 USE SALT (a) Calculate the mean and median for the distribution of money students planned to spend on school supplies. mean median (b) What is the 75th percentile of the distribution? (c) Determine the five-number summary. minimum Q₁ median Q3 maximum
- The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? 18 36 23 3 14 39 16 11 12 9 3 15 27 34 13 25 6 1 Complete the table, starting with the lowest class limit. (Simplify your answers.) Relative Cumulative Class Frequency Midpoint Frequency Frequency Which class has the greatest frequency? The class with the greatest frequency is from to.The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 dlassos. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? 4. 38 42 25 46 49 48 21 34 9 35 38 8. 47 3. 29 32 26 Complete the table, starting with the lowest class limit. (Simplify your answers.) Relative Cumulative Class Frequency Midpoint Frequency Frequency Which class has the greatest frequency? The class with the greatest frequency is from to. Which class has the least frequency? The class with the least frequency is from toEspañol Over the past several months, customers at Stymie's department store have been asked to fill out customer satisfaction surveys. In the surveys, the customers rate their shopping experience on a scale of 0 to 100. Here are 24 recent ratings. 14, 16, 18, 25, 27, 34, 37, 39, 41, 45, 47, 50, 51, 53, 53, 53, 61, 61, 67, 73, 77, 83, 85, 86 圖 Send data to calculator Aa Frequency 8- 6- 5 5 4- 3 3 2- 20 Customer satisfaction rating 40 60 80 100 O Mean (a) Which measures of central tendency do O Median not exist for this data set? Choose all that O Mode apply. O None of these measures I Mean (b) Suppose that the measurement 86 (the largest measurement in the data set) were replaced by 97. Which measures of central tendency would be affected by the change? Choose all that apply. O Median O Mode O None of these measures (c) Suppose that, starting with the original data set, the largest measurement were O Mean O Median removed. Which measures of central O Mode tendency would be changed from…
