faculty. Find the Quartiles of the distribution, then 30 students have marks qual to 65 or lower? Choose either True or

Q: Use a two-proportion Z-test to determine if the proportion of people who responded positively to the…

A:

Q: One sample of scores has a mean of M = 45 and a sample size of n = 10 scores.  A second sample of…

A:

Q: The following histogram presents the distribution of the exam scores for a group of engineering…

A: a) The probability below 130 is: 0.02+0.02+0.08+0.1+0.13+0.17+0.14+0.11=0.77=77% approximately.  So…

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: Carol and David want to estimate the mean amount of time people spend at their local shopping mall.…

A: The following information has been given: Carol's sample: 38, 115, 68, 47, 25, 51, 32, 95 David's…

Q: Find 25th and 40th percentile of data 2,5,7,810,12,15,17,19,24,28,32,34,36,38,40,42,44,47,49

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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: find 30th percentile for data 10,15,16,18,19,21,23,25,26,28,32,35,36,39,42,45,46,50

A: Given 10,15,16,18,19,21,23,25,26,28,32,35,36,39,42,45,46,50

Q: find 1st percentile for given data  12,1585,63,95,75,45,26,9,75,25,15,49

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Q: For the set of data, describe the shape of the distribution…

A: 28, 14, 22, 36, 55, 39, 46, 63, 46, 35, 53, 55, 67, 42

Q: Complete parts (a) and (b). a. If three students scored 75 on a test and three other students scored…

A: The mean is the average of the dataset which is obtained by dividing the sum of all items present in…

Q: In a sample of 61 households, one house is worth $2,500,000. Half of the rest are worth $280,000,…

A: A sample of 61 is taken.One house is worth $25,00,000.Half of the rest ( 30 ) are worth $2,80,000All…

Q: What score can be added to the following data set in order for the new median to be 12? 3, 3, 6,…

A: The given data is as follows:3, 3, 6, 10, 14, 15, 17The objective is to compute the score that can…

Q: Here are the scores of 11 students on an algebra test. 59, 69, 75, 77, 81, 82, 84, 85, 91, 91, 92…

A: The scores of 11 students on an algebra test is given. Thus, n=11.

Q: is also called as the Median. O a. Second quartile O b. First quartile O C. Lower quartile O d.…

A: We have given that  Median is middle value of the data and it is covered 50% of the data

Q: A set of data has a mean of 16,  a median of 15 and a mode of 14. which of these numbers must be…

A: From the information, the mean is 16, median is 15 and mode is 14.

Q: Find the mean for the given data, 14,25,17,19,34

A: Answer: From the given data, 14,25,17,19,34 Sample size(n) = 5

Q: In a distribution of scores, the mean is 12, the median is 8 and the mode is 4. Describe the shape…

A: A distribution is said to be positively skewed / right skewed if Mode > Median > Mean  and…

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: Find the mean for the given data, 15,3,6,18,17

A: Answer: From the given data, 15,3,6,18,17 Sample size(n) = 5

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: Consider the data set  {-14.14,11.3,-6.2,8.6,8.6,-5.8,-6.2-12.1} find the average and median

A: Given data set {-14.14,11.3,-6.2,8.6,8.6,-5.8,-6.2,-12.1}Arrange the data in ascending order:…

Q: In a Stem-and-Leaf plot, the stem value is 13 and the leaf is/are 01523. How many observations are…

A: The stem value is 13 and the leaf is/are 01523.

Q: Here is a list of scores.  Find the mean, median, and mode(s). Scores: 4, 1, 1, 4, 5, 9, 8, 7, 6, 3…

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Q: A student's grades at the end of the semester were as follows: 18, 17, 15, 14, 15, 18, -20, 18, 13,…

A: Given data is18, 17, 15, 14, 15, 18, -20, 18, 13, 19, 15Arrange the data in ascending order-20, 13,…

Q: The 5 numbers (minimum, Q1, median, Q3, maximum) for the ratings are the following: Minimum =31 Q1…

A: Given information: The numbers of ratings are summarized as follows: Minimum Quartile 1 (Q1)…

Q: Leon has just gone grocery shopping. The mean cost for each item in his bag was $3.62. He bought a…

A: It is an important part of statistics. It is widely used.

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 and median for the grouped data.

A: The mean and median are the types of average. Mean is the mathematical average and median is the…

Q: teacher

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Q: Find the mean for the given data set, 33,46,79,26,85

A: Answer: From the given data, 33,46,79,26,85 Sample size(n) = 5

Q: What is the mean of the data: 4,11,9,10,4

A: We have to find out given mean..

Q: What is the median of the set of data: 87,90,86,95,2,87,88,94,86,97 ?a. 87b. 87.5c. 88d. 88.5

A: Given data: Let, X = 87,90,86,95,2,87,88,94,86,97  To find: Median

Q: For the data set:   5,  11,  1,  2,  27,  30,  15  we would have the middle number being 2.  Why…

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Q: Find the mean for the given data set, 23,46,76,38,59

A: Answer: From the given data, 23,46,76,38,59 sample size(n) = 5

Q: Which term describes a response that varies greatly from the majority of the other responses in…

A: An outlier is a value in a random sampling from a population that deviates abnormally from other…