A distribution consists of three components with total frequencies of 200, 250 and 300 having (simple arithmetic) means 25, 10 and 15 respectively. The (simple arithmetic) mean of the combined distribution is Answer:

Q: Gabriel and Lucia took a road trip across the country. The room costs, in dollars, for their…

A: According to the given information, we have Data set: "…

Q: THE FF. WERE THE RESULTS OF THE EXAMINATION CONDUCTED FOR GRADUATING STUDENTS. FIND THE MEAN (USE 4…

A: The objective is to compute the mean for the given data.

Q: take the following scores from an interval scale and create a frequency table with all the…

A: For the given data create a frequency table with all the appropriate columns

Q: What is the mean for the following score 2,5,4,18

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Q: What is the arithmetic mean of the data set: 4, 5, 0, 10, 8, and 3?

A: Arithmetic mean: x=∑xn

Q: Q1. Choose the correct answer 1. The level of measurement of the variable "milk yield in kg" is: b)…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the mean for the following score 2,5,4,1,8

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Q: Find the mean from its definition. That is, find the sum of the six observations and divide by 6.The…

A: Note:Thank you for the question. We have considered the given values as the observations in the data…

Q: 40 25 35 30 20 40 30 20 40 10 30 20 10 5 20 (a) Mean (b) Mode (c) Median

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Q: Compute Arithmetic Mean from the data given below: X= 12, 15,17,18, -20. а. 42 b. 62 С. 82 d. 8.4

A: Given data, x=12,15,17,18,-20 Arithmetic mean: x¯=∑i=1nxin

Q: For a 10 point quiz, the professor recorded the following scores for 8 students: 7, 8, 3, 9, 10, 6,…

A: Need to  Calculate Mean from the following data7,8,3,9,10,6,8,5

Q: Find the mean of 10, 20, 30, 40, and 50. a. Add 10 to each value and find the mean. b. Subtract 10…

A: As per our Guidelines we are suppose to do only first three subparts Given data is 10,20,30,40,50

Q: The Value of Pi The ratio of the circumference of a circle to its diameter is known as (pi). The…

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Q: Find the mean of the data set: 14, 19, 13, 22, 7

A: Given data is : 14, 19, 13, 22, 7 Number of terms is n=5 To find the mean.

Q: Find the mean, median, and mode for the scores in the following frequency distribution table x f 1…

A: Let us write the frequency table in ascending order. x f 1 5 2 2 3 2 4 2 5 2 6 1…

Q: If number of observations are an even number, median is a. (N+1)/2 th Item b. (N-1)/2th Item C.…

A: If there is an even number of observations, then add the two middles values and divide by 2. The…

Q: Z-scores X (test scores) = 3, 5, 8, 8, 9, 4, 7, 8, 6, 7, 10 %3D •Calculate the mean of x •Calculate…

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Q: On a certain exam, Tony corrected 10 papers and found the mean for his group to be 75. Alice…

A: Given: Tony corrected 10 papers and mean for his group is 75 and Alice corrected the remaining 20…

Q: Sun Mon Tue Wed Thu Fri Sat High 90° F 91° F 89° F 97° F 101° F 99° F 91° F Low 74° F 78° F 77° F…

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Q: . Distance of Residential Houses from the Barangay Hall Distance (km) Number of Houses 23-26 12-22…

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Q: find the mean if Z-score =14, st.Dev.=2.5, for a score of 8.5

A: Standard normal distribution:The standard normal distribution is a special case of normal…

Q: Today, all boats in the Harbor Tour Fishing Company caught a total of six salmon with weights as…

A: Here 6 salmons weights are 16,23,18,31,14,19 pounds Arrange weight im accending order…

Q: The mean score of 7 students on a short test is 7 out of 10. If six of the seven students scored 9,…

A: The mean score of 7 students on a short test is 7 out of 10 . If six of the seven students scored…

Q: You recorded the time in seconds it took for 8 participants to solve a puzzle. The times were: 15.2,…

A: a.Obtain mean time took by participants to solve the puzzle.The data represents the time in seconds…

Q: 4. Everyone studied extremely hard for the quiz in the Statistics and Probability Course. There were…

A: Here, Score, x Number of students, f fx 10 8 80 9 12 108 8 6 48 7 5 35 6 3 18 5 2 10…

Q: Find the mean of 5,10,15,20 and 25 A) add 10 to each value and find the mean.......

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Q: Day Monday Tuesday Wednesday Thursday Friday Problems 35 20 25 10 10

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Q: Suppose 6 students take an exam, and the mean score is 82.5. Five of the student scores are as…

A: Solution-: Given: Mean=82.5 Five of the student scores are: 95, 78, 85, 56, and 96.  We want to find…

Q: Pick six numbers and compute the mean and the median of the numbers a. Now add 12 to each of your…

A: Pick six numbers and compute the mean and the median of the numbers a. Now add 12 to each of your…

Q: Give the formula for sample mean.

A:

Q: The mean salary of 5 employees is $41400. The employee salaries have 2 modes: $33500 and $48000. If…

A: New Mean = $41720New Median = $45600 Explanation:Given that the mean salary of 5 employees is…

Q: mathematics instructor gave students a 20 item quiz on a course topic. The distribution of scores on…

A: