A researcher has collected the following sample data: 3, 5, 12, 3, 2. The mean of the sample is 5. The range is

Q: The trimmed mean is

A: From the data, the smallest observed value is 0.77, and largest observed value is 0.97. By removing…

Q: Is the sample median always equal to one of the values in the sample? If so, explain why. If not,…

A: Median: The median defines that the middle number of the data. The median is calculated as follows:…

Q: What is the second smallest number?

A: Here given , A data set has five values. The smallest value is 5, the mean is 12.6, the median is…

Q: According to a gallup survey of boys 77% of boys had played computer games in the past week compared…

A: Let p1 be the percentage of boys had played computer games  p2 be the percentage of girls had played…

Q: The time married men with children spend on child care averages 6.9 hours per week. You belong to a…

A: Given Information : The time married men with children spend on child care averages 6.9 hours per…

Q: A contributor for the local newspaper is writing an article for the weekly fitness section. To…

A:

Q: Find the range and standard deviation of the set of data. 6,9,12,14,18,19

A:

Q: The mean of a distribution is 23, the median is 24 and the mode is 25.5. It is most likely that this…

A:

Q: In a moderately skewed frequency distribution mean is 50 and median is 53. If the coefficient of…

A:

Q: Find the range and standard deviation of the set of data. 15, 18, 12, 9, 12, 10, 15

A:

Q: A population is normally distributed with µ = 90 and σ = 8. For this population, which score is the…

A: X follows a Normal distribution with mean = 90 and S.D = 8 Then z=(x-mean)/SD = (x-90)/8  follows…

Q: Is the sample mean always equal to one of the values in the sample? If so, explain why. If not, give…

A: FALSE Lets take sample set S={10,15,20,25,30,35} The mean of above sample S is =…

Q: What is your conclusion (interpretation) from frequency distribution tables and graphs for the…

A: Answer: Given frequency distribution table This tables given that the range of students height's…

Q: Consider the following observations: 2, 0, 5, 3, 5, 3. The mean of these data is

A: The mean is defined as the sum of observations divided by number of observations.

Q: A population of scores has a mean of µ = 29, a median of 30, and a mode of 31. What is the most…

A: HERE FROM GIVEN INFORMATION MEAN = 29 MEDIAN = 30 MODE =31

Q: find mean and mode for given data  12,15,16,35,15,14,21,16,45,36,32,31,30,15

A:

Q: Find the standard deviation for the group of data items.   15​, 15​, 15​, 17​, 17​,

A:

Q: 5. In the ordered data : 20,a,25,30,40,b,50 if the mean is 33, and the first quartile is 22.5, find…

A: Provided information is; Data : 20 , a ,25 ,30 ,40 ,b ,50 Mean for given data = 33 First quartile =…

Q: The sample mean or sample proportion is unbiased estimator to the population proportion in case of…

A: The sample mean or sample proportion is unbiased estimator to the population proportion in case of…

Q: Find the weighted mean for a particular student's scores on three exams if the first one was worth…

A: The weighted mean can be calculated as: Weighted mean = Sum of (weightage x score) / Sum of…

Q: In a moderately asymmetrical distribution the values of mode and mean are 32.1 and 35.4…

A: Solution:

Q: What is the shape of the distribution of a sample of scores that has a mean of 12, a median of 14,…

A: First of all, you can see that the for a distribution, mean, median and mode are all different.  It…

Q: What is the mean of the following data: 0,0, 1, 1, 1, 2, 2, 2, 3, 3

A: Given data, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3

Q: In a frequency distribution the coefficient of skewness based on quartiles is 0.6. If the sum of the…

A:

Q: Three sections A, B, and C took the final exam in MATH. Section A with 30 students has a mean score…

A: The weighted mean is, x¯weighted=∑iwixi∑iwiwhere, wi=assigned weight to ith observarion…

Q: Find the mean, median, mode, quartiles, standard deviation and variance of the following data. 5, 1,…

A: we have given that  data  arranged in increasing order . 1,1,1,2,3,4,5,7,7,13 .

Q: When the median is computed for a sample, all values in the data set are * .used True O False O

A: Answer  - True

Q: Find the standard deviation for the group of data items.   12​, 8​, 12​, 8​, 12​, 8​, 12​,

A: Tabulate the given values as x, and calculate the summation of x and x2. x x2 12 144 8 64…

Q: If the students read only 101 books for the month of June, which measure of central tendency will…

A:

Q: The points scored by a basketball team in each of its games are listed below. 32, 45, 47, 28, 47,…

A: First we will define the term range and then find it out .

Q: If a data set has 15 mean standard daviation 2 , percentage observation lie between 13 and 17

A: From the given information, Consider, X be the number of observation that has mean of 15 and…

Q: Give 2 examples of Median in Measure of central tendency to ungrouped data

A: Median: Median is the middle most value of a set of observations.

Q: If the mean is 25 for the data: 20, 30, 15, 24, у, 8

A: Hello! As you have posted 2 different questions, we are answering the first question (10). In case…

Q: What is the variance of the data set 14,23,9,12,18,8

A: Given Data :  XX 14 23 9 12 18 8 Below table will be used to calculate variance :…

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

A:

Q: During a quality assurance​ check, the actual contents​ (in grams) of six containers of protein…

A: a)  From the given information The recorded values (in grams) xi=1526,1532,1502,1516,1534,1512 and…

Q: If you calculate the mean for a sample, this would be considered a sample

A: Mean is a part of measures of central tendency. Calculating mean of the sample also means…

Q: The question is, for the following scores find the mean, median, sum of squared deviations,…

A: The mean of the data is calculated as follows:

Q: From the set of numbers 10,17,19,20,22 The mean is 17.6 Median is 19 Mode is no mode. make 1st,…

A: Given Data set: 10,17,19,20,22 Where, No. of terms n=5 Median=19 which is 2nd quartile. Formula for…

Q: contributor for the local newspaper is writing an article for the weekly fitness section. To prepare…

A: Given Data : For Sample 1 x̄1 = 4.8 n1 = 57 σ1= 0.8 For Sample 2…

Q: Given the data: 1, 4, 3, 5, 4, Its mean value is

A: Given data(x); (n=5) 1, 4, 3, 5, 4

Q: a researcher has collected the following sample data; 3,5,12,3,2. the mean of the sample is 5. the…

A: The ordered data set is 2, 3, 3, 5 and 12.

Q: consider a data set with at least three data values. Suppose the highest value is increased by 10…

A: Given consider a data set with at least three data values. Suppose the highest value is increased by…

Q: College freshmen took a psychology exam. If the mean is 80, the SD is 10, and the scores have normal…

A: Follow the procedure given below.

Q: find mean and median for given data. 12,15,17,19,15,13,15,20,22,24,25,23,26,29,30

A:

Q: The median of a sample with data values of 8,19,12,17,16 is?

A:

Q: What is the mean of the data set comprising the numbers 7, 8, 2, 5 and 8?

A: Given data set,7,8,2,5,8 Mean=?

Q: A contributor for the local newspaper is writing an article for the weekly fitness section. To…

A: Given information: For the first sample (people who exercise in the morning), Sample size, n1=56…

Q: To begin to better understand personal experiences of headache pain, a drug manufacturer has asked 9…

A: