Find out the combined mean for the following data X1 X2 60 25 70 35 40 30 30 O a. 46.92 O b. 45.54 C. 51.83 O d. 41.43

Q: The following ten data values are provided: 3815 3083 1609 1566 1430 1428 1299 995 973 820 The 80th…

A: The number of observations is, n=9. 29) The data values are sorted in ascending order is, 820, 973,…

Q: For the following data, calculate the sum of products of deviation. X Y 35 2 4 6 9 а. 55 О Б. 51.33…

A: We want to find sum of products of deviation

Q: For the following information on a data set: Measurement Class .00-.75 .75-1.50 1.50-2.25 2.25-3.00…

A: The relative frequencies of a data set are given.

Q: Approximate the mean for the following data set. Round your answer to one decimal place. Class…

A: Solution-: We have following table: Class Interval Freq (fi) 0-9 3 10-19 13 20-29 4 30-39…

Q: Find out the combined mean for the following data. X1 X2 60 25 70 35 40 30 30 O a. 51.83 O b. 41.43…

A:

Q: The number of e-mail messages received per hour has the following distribution 4 3 0.21 0.43 0.36…

A: Given distrubution is:

Q: Approximate the mean of the grouped data. Round to the nearest whole number. O A. 145 Weight (in…

A: Weight (in pounds) Frequency Mid value     x f.x   135 - 139 7 137 959 140 – 144…

Q: For the following data, approximate the mean number of unused vacation days at the end of the Days…

A: Days             frequency              x                fx                            f1-3…

Q: Using the given data below, compute the following statistics: 90 100 83 78 60 73 89 81 94 a) Mean b)…

A: a) The mean of the data is given as Mean=Sum of all observationsTotal number of…

Q: Find out the value of A' statistics from the following data, when N = 10 9 11 12 17 Trial II: 14 6…

A:

Q: Use the following data to answer the next set of questions. Round your answers to the nearest Number…

A: Given that  From this dot plot we get the data X = 30, 31, 31, 31, 32, 33, 33, 33, 33, 34, 34, 37,…

Q: Calculate median from the following data: 0–10 10-30 30-60 60-80 80-90 Marks 5 15 30 8 2 No. of…

A: Given that  Class Frequency (f) 0 - 10 5 10-30 15 30 - 60 30 60 - 80 8 80 - 90 2…

Q: 15. Find S.D. from the following data. Values 5 10 15 20 25 30 35 Frequency 2 7 11 15 10 4 1

A: For a set of n observations, x1, x2, ... , xn with frequencies f1, f2, … , fn, standard deviation is…

Q: Compute the mean for the following data values of alcohol content (%): 13.7, 16.2, 14.6, 13.8, 15.0.…

A: The mean of a data set is the average value of the given observations. The average of observations…

Q: Consider the following data relating hours spent studying (X) and average grade on course quizzes…

A:

Q: Find the mean from the following data : 10 15 20 25 30 35 40 f 5 9 13 21 20 15 8 3

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Q: Approximate the mean for the following data set. Round your answer to one decimal place Class…

A: The given frequency table is, Calculation of mid values and ∑f and ∑fx:

Q: For each set of data, use the calculator to find the mean (xbar) and standard deviation (sx) 1O 4…

A: Here all probability are from normal distribution table

Q: Represent the following data by means of a histogram. Weekly Wages ( 00 ) : 10-15 15-20 20-25 25-30…

A: Let weekly wages on Y axis and number of workers on X axis.

Q: From the following data of the marks obtained by 60 students of a class, calculate the arithmetic…

A:

Q: 4. Calculate mean for the following data: Weight of chicken in grams: 6, 11 7 10 No of chickens: 16…

A:

Q: Find the 7h decile and 60h percentile from the following data : Wages ( $) 30-40 40-50 50 60 60 70…

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Q: Find the mean for the following grouped data Marks 35.5-40.5 40.5-45.5 45.5-50.5 50.5-55.5 55.5-60.5…

A:

Q: From the following data find the missing frequency when mean is 15.38. Marks : 10 12 14 16 18 20…

A: Given,mean=15.38 Marks (X) 10 12 14 16 18 20 Frequency (f) 3 7 a 20 8 5

Q: Calculate mean deviation from median from the following data : Marks less than No. of Students 80 70…

A:

Q: Class (kg) Freq, f [80; 100) 4 [100; 120) [120; 140) 13 [140; 160) [160; 180) 5 40 The estimated…

A:

Q: Find the 20%20% trimmed mean of the following data. If necessary, round to one more decimal place…

A: The trimmed mean is calculated as, 20*20/100 = 4 data points are removed from each end and calculate…

Q: Match the histograms shown to the summary statistics: Mean Median I 42 42 II 31 36 III 31 26 IV 31…

A: Here from the given summery statistics we want to match the Histogram.

Q: For each of the following statements below, decide whether it belongs to descriptive statistics or…

A: The population is the whole data of the subject under study. For example: If mean height of the…

Q: Find the mean for the following grouped data Marks 35.5-40.5 40.5-45.5 45.5-50.5 50.5-55.5 55.5-60.5…

A:

Q: 16. From the following data calculate median: No. of Students Marks Marks No. of Students Less than…

A:

Q: Find out the combined mean for the following data. X1 X2 60 25 70 35 40 30 30

A:

Q: From the following data calculate median: No. of Students Marks No. of Students Marks 29 Less than…

A:

Q: 43. Find out the combined mean for the following data.  X1 X2 60 25 70 35 40 30 30 --

A:

Q: d) For the following data (80, 40, 62, 70, 30, 82), the standard deviation is 24 O 24.5 O 25 O 25.5…

A:

Q: For the following data: X-1.2.2. 3,3, 3, 4,4,4, 4, 5. 5.5, 6,6,6, 7,7.8 91 Find: A) Arithmetic mean,…

A: (A) The formula for the arithmetic mean is, The table with the necessary calculation is shown…

Q: The arithmetic mean of the following data is Marks Frequency 18 4 30 85 3 90 75 3 O 1.50 103.20 O…

A:

Q: 10 : Calculate the average marks of the students from the following data : Marks No. of students…

A:

Q: From the following data calculate median: No. of Students Marks Marks No. of Students Less than 5 29…

A:

Q: decimal places

A:

Q: Calculate the z-value for a mean for the following p̂= 0.250 p0 = 0.350 n = 10

A: Given: p^= 0.250p0 = 0.350 n = 10

Q: The following data give the speeds of 13 cars (in mph) measured by radar, travelling on l-84. 73 75…

A: Calculate Percentiles-35 from the following data73,75,69,68,78,69,74,76,72,79,68,77,70

Q: The following histogram shows the scores on the first Statistics exam in Ms. Cora Tan's class. How…

A: Solution

Q: For the given set of data: 138 164 150 132 144 125 149 157 144 158 140 147 136 148 144 Determine:…

A: As per bartleby guideline expert have to answer first three subpart only dear student please upload…

Q: From the following data calculate median: No. of Students Marks Marks No. of Students Less than 5 29…

A: Given: Class(1) Frequency (f)(2) Less than 5 or 0 - 5 29 5 - 10 224 10 - 15 465 15 - 20…

Q: For the following data. The 25th percentile is 16, 25, 4, 18, 11, 13, 20, 8,11, 9 اختر احدى الدجابات…

A: We have given that, The data set is, 16, 25, 4, 18, 11, 13, 20, 8, 11, 9 Then,  We will find the…

Q: Find the mean for the following data: Years of Experience Number of Employees 1 17 2 6 3 4 4 mean =…

A: We want to find mean of given data.

Q: For the following data: 18, 15, 12, 6, 8, 2, 3, 5, 20, 10. Find the value corresponding to the 25th…

A:

Q: find the mean for the following data leaf steam 4 9. 2 3 4 9. 7 1 6 8 7 2 9. 6 24 6

A: It is the plot in which that each observation divided into a leaf and stem .here the leaf which is…

Q: From the following ungrouped data, ascertain the Range. 24 18 30 24 26 22 30 28 26 30 30 28 30 26 22…

A: We have to find range.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.