Given the frequency table below of the students result in 25 point quiz. Compute its standard deviation. Class Mark Frequency 52 94 12 14 159 18 6 213 24 2
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- Task: Consider a population consisting of the following data: 3, 5, 7, 9. 1. Solve for the population mean and standard deviation. 2. List down all possible samples of size 2, then get the sample means. 3. Solve the mean and standard deviation of the sample means. Relate the two measures to the population mean and standard deviation.In the 1992 presidential election, Alaska's 40 election districts averaged 2108 votes per district for President Clinton. The standard deviation was 570. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places. PLEASE ROUND TO 4 DECIMAL PLACES!! Is 2108 a population mean or a sample mean? Select an answer Sample Mean Population Mean c. Find the probability that a randomly selected district had fewer than 2063 votes for President Clinton. d. Find the probability that a randomly selected district had between 2295 and 2481 votes for President Clinton. e. Find the third quartile for votes for President Clinton. Round your answer to the nearest whole number.Determine the mode and standard deviation of the data
- Qq10Please find the range, sample standard deviation, and interquartile range (IQR) of the following data set. 23 30 37 53 62 range sample standard deviation IQR = = 88 93 95 95 98 (Please enter an exact answer.) (Please show your answer to one decimal place.) (Please enter an exact answer.)Homework Q2: Calculate the standard deviation for the following dataset Cars Horsepower Datasheet 76 74 72 70 68 66 64 62 60 Ford fiesta Plymouth horizon tc3 Volkswagen rabbit 1 24 Dodge omni Mercury monarch
- Exam Grade 55 91 88 188 33 98 78 170 59 88 10 Given the above data set, what is the sample standard deviation of Study hours using a sample of the following students (Student Numbers: 1,3,5,9). Round to the nearest hundredth. Student # 11 2 3 14 5600 7 Study Hours 42 22 24 19 51 11 22 9 39Answer the letter E only. Thank you!An Excel assignment counts for 0-10 points. The scores in a class of 12 students are recorded as follows:1 5 5 6 7 7 8 8 8 9 10 10 What is the deviation of the score 10 from the mean in 13a (recall that this involves a subtraction of the mean from the particular score)? I think I got answer but want to check.
- The following data represents the number of blogs that a sample of students state they follow. 12, 3, 10, 9, 0, 1, 8, 7, 3, 10, 19 Calculate the standard deviation.Which of the following answers is correct and why? I really need an explanation for this question.SAT scores: Assume that in a given year the mean mathematics SAT score was 524, and the standard deviation was 117. A sample of 68 scores is chosen. Use the TI-84 Plus calculator. Answer the three following questions.
