4.Which of the following statements best describes decile?*   It has nine score points which divide the distribution into 10 equal parts. It has three score points which divide the distribution into 4 equal parts. It has ninety-nine score points which divide the distribution into 100 equal parts. It has fifty score points which divide the distribution into 50 equal parts.

Q: Calculate the 3rd quartile, 9th decile and 46th percentile o the distribution

A: Quartile is the measure that divide the data into 4 parts with 3 points. Decile is the measure that…

Q: The mean monthly salary of 32 men is P28,500 while that of 38 women is P24,400. Find the mean salary…

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Q: find 1st deciles for giiven data  12,15,14,6,9,7,5,3,42,15,85,75,63,45,25

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Q: Karen wants to estimate the mean number of siblings for each student in her school. She records the…

A: Given, Karen records the number of siblings for each of 200 randomly selected students in the…

Q: Assume you are a psychologist studying the relationship between chocolate consumption and happiness.…

A: For the given data Is this a one-tailed or two-tailed test

Q: A botanist wants to know if two different soils lead to different levels of evaporation in plants.…

A: In this case, Each of the plants is used in both soils, she can use a paired samples t-test to…

Q: Angela wants to estimate the mean number of siblings for each student in her school. She records the…

A: Explanation:Here, estimate the mean number of siblings for each student in Angela school. Moreover,…

Q: Section C 80 85 75 76 81 76 75 76 76 96 85 78 73 81 89 74 74 76 86 74 90 75 88 79 86 81 90 89 88 85…

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Q: The mean and S.D. of income of 50 men are Rs. 3200 and Rs. 525 respectively The same for 40 women…

A: Formula for S.D for combined group: σ12=n1(σ12+d12)+n2(σ22+d22)n1+n2          Combined mean is,…

Q: find 4th deciles for given data  12,15,14,2,6,32,25,6,85,75,62,96,35,14,26,35,28,65,8

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Q: What is the significance of the upper and lower line in the nomogram

A: The nomogram is also known as Rumack-Matthew nomogram.

Q: In each game of the season a basketball player scored the following:…

A: Solution:Mean ˉx=∑x/n  =(8+19+15+7+8+12+19+16+20+13+10+11)/12  =158/12  =13.1667 Median…

Q: I have the final exam scores of a Stats class, they are: 85, 82, 81, 83, 89, 96, 70, 71, 52, 30,…

A: The provided data set is: 85 82 81 83 89 96 70 71 52 30…

Q: ect the correct answer. e dot plots represent the number of students who enrolled each year st 24…

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Q: Dr. Smith administered a test to her statistic class with 25 questions that were worth one point…

A: If n is multiplied by each observation, the new value for mean is, E(n×X) = nE(X) If n is multiplied…

Q: 14.0 15.2 12.9 12.8 13.7 21.0 22.8 14.7 16.9 15.8 15.8 16.3 14.2 16.2 13.9 19.5 20.0 18.4

A: We have given that data  Formula  Q3=(3(n+1)/4)th D5=(5(n+1)/10)th And  P34=(3(n+1)/10)th

Q: The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the class is…

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Q: Question 22 The Pearson-r is used to find the degree of relationship between what type of data? O…

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Q: . The averages of the Top 10 students in your class are as follows:   88, 89, 90, 91, 91, 92, 93,…

A: The averages of the Top 10 students in your class are as follows:   88, 89, 90, 91, 91, 92, 93, 94,…

Q: find 2 decile of the data  12,15,16,2,12,20,15,42,32,6,52,32,14,15,17,19,1,6

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Q: The high temperatures for few cities are shown: 32,19,57,48,44,50,42,49,55,44. Calculate the…

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Q: A study of teenage suicide included a sample of 123 girls and 96 boys between ages of 12 and 16…

A: From the provided information, Total girls = 123 Total boys = 96

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given that there are 24 families in the sample.  Mean=31 Median=27.2 7th percentile= 16 hours

Q: A population has a mean of 45 If 6 points are added to each score What is the mean for the…

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Q: O Mean (a) Which measures of central tendency do O Median not exist for this data set? Choose all…

A: Given is the data : 131, 139, 152, 161, 163, 165, 176, 181, 185, 185, 185, 189, 193, 194, 195, 206,…

Q: B. 10 12 55 11 14.6 55 12 40 13 10.5 45 14 11.6 45 15 11.9 50 16 14.3 75 17 14.1 73 18 12.5 70 19 14…

A: Note: As per my policy i can answer only three sub parts. kindly repost the remaining sub parts…

Q: Jane got the following grades (%) on her final year report card: 76, 94, 56, 78, 62, 88, 94, 86 and…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: The mean of marks in Statistics of 100 students in a class was 72. The mean of marks of boys was 75,…

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Q: The waiting times for commuters on the Red Line during peak rush hours follow a uniform distribution…

A: The waiting times for commuters on the Red Line during peak rush hours follow a uniform distribution…

Q: Which one measure of variation should you report for SOCIAL CLASS(1=lower, 2= working,…

A: The range is used as a measure of variation report for SOCIAL CLASS.

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

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Q: What percentage of the scores are in the shaded area?

A: It is given that the shaded area in graph.

Q: find first and third quartile of data   12,45,85,6,45,12,58,95,3,5,45,12,58,62,73,91,58,12

A: