1) Construct a simple bar diagram. Year 2010 2011 2012 2013 2014 2015 Production Cost 55 40 30 25 35 70

Q: Find the raw score which corresponds to z=1.6?

A:

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A: For country C n=1024,p hat =0.45 For country D n =1078 ,p hat = 0.41

Q: A project manager asked ten engineers how many projects they had engaged in the last 12 months.…

A: The question is about graphical representation of data   Introduction : Stem and Leaf plot : It is a…

Q: Find the Phat and q - hat for the given data, X = 258 and n = 564 Round to three decimals CS Scanned…

A: Answer:- Given, x = 258 and n = 564 Using formula,  P-hat = (x/n)  q-hat = (1 - P-hat)

Q: A group of students were surveyed about the number of siblings they have. The frequencies and…

A: Solution: From the given information, the table of frequencies and relative frequencies of their…

Q: The data shown in Table 1 are the average petrol consumption of sedan cars in kilometre per litre…

A: Given a data set, we have to construct stem and leaf plot of the data set.

Q: Find the mean for the given data set, 23,56,78,96 and 74

A: 23,56,78,96,74

Q: se technology to calculate the P-value P-value = (Round to three decimal places as needed.)

A: Given that  Sample size n1=1120 , n2=1048 Sample proportion p1^=0.47 , p2^=0.46

Q: A math teacher asked 18 of her students to rate how much they like math on a 1 - 7 Likert-scale (1 =…

A: The question is about graphical representation of the data.Given :To find : Create a histogram using…

Q: What is the z-value and area if score is 70 ?

A: The score is 70

Q: Name two kinds of statistical data and describe them in brief.

A:

Q: Do histograms have to show grouped data? Can you use them for individual numbers as well as groups…

A: Introduction    from the above question we have to explain Do histograms have to show grouped data.…

Q: The scores of a test for an engineering class of 30 students are shown here. Organize the data in a…

A: The frequency distribution is CI f 50-60 5 60-70 6 70-80 10 80-90 6 90-100 3 The…

Q: Classify the following data. Indicate whether the data is qualitative or quantitative, indicate…

A: Qualitative data: The data value are the the non-numerical quality or characteristic.   Quantitative…

Q: A sample of five players on the runs batted in (RBI) leaderboards during the 2012 Major League…

A: Step 1: Define the types of data*Quantitative data are data that are measurable (numerical) and it…

Q: figure to the nght, hich shows the percentages of adults from several countries who favor building…

A: The survey included the random sample 1125 adults from country A, 1003 adults from country B, 1019…

Q: Give definition of Cross-Sectional Data?

A: Cross-sectional data is a type of data that is gathered by analyzing the various subjects like…

Q: The data below is the number of hours that people work per week at your job.  Construct the…

A:

Q: Describe about the negatively skewed shape of histogram.

A: The histogram is said to be left-skewed or negatively skewed when the histogram has a long-left…

Q: The weight and systolic blood pressure of 26 randomly selected males in the age group 25 to 30 are…

A: Given data: Weight Systolic BP 165 130 167 133 180 150 155 128 212 151 175 146 190…

Q: What is the primary difference between a scatter plot and a "regular plot" (plt.plot)?

A: A scatter plot and a regular plot (plt.plot) are two different ways of visualizing data using the…

Q: Find the variance for this data set of numbers: 58,64,24,28,38,46

A: Given sample is: 58,64,24,28,38,46. Sample size = n = 6.

Q: Compute the coefficient of variation CVar .

A: Given that,  2(red), 4(black), 8(blue), 6(green), 10(orange), 12(black).

Q: dentify the claim and state Ho and H. The claim is "the proportion of adults in Country C who favor…

A: Given that  Sample sizes for Country C and D n1=1024 , n2= 1078 Level of significance =alpha = 0.09

Q: Find the mid range of the dataset 6,87,34,2,54,22.

A: The given data set arranged in ascending order (sorted) is:-2,6,22,34,54,87.We need to find the mid…

Q: Determine the range of the following data: 13,32,31,21,24,36,43,67,64,58,62,63,72,83,52,69,81 ,77

A: arrange data in accending order 13, 21, 24, 31, 32, 36, 43, 52, 58, 62, 63, 64, 67, 69, 72, 77, 81,…

Q: Find the following for the data set {2, 8, 10}

A:

Q: how many sports played male vs female based on the data

A: Given, The number of sports played by the students: Grade Number of students 9 16 10 13 11…

Q: The 20th percentile is how many inches?

A: The mean is 64 inches and the standard deviation is 2.5 inches.

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

A:

Q: The heights (in inches) for a sample of 18 Male adults are…

A: Given the heights (in inches) for a sample of 18 Male adults are  62, 82, 79, 76, 73, 70, 67, 64,…

Q: Draw a histogram for each data set.

A: Data set of life expectancy is given,  State Years Maryland 81 Virginia 82.5…

Q: How do I create a histogram in excel?

A: Histogram: A histogram is a graphical representation of the numerical data. Histogram is one graph…

Q: The colour of a car would be considered which type of data

A: There are two types of data: Quantitative and Qualitative. Quantitative data consists of numerical…

Q: 3. Answer the following questions based on the following two figures: Histogram Boxplots 6. D E (a)…

A: Given histogram:

Q: Mrs. Paz gave a 20 point quiz to her Geometry class (10 students). The scores were:18, 15, 12, 6, 8,…

A: Given that  The data are 18,15,12,6,8,2,3,5,20,10

Q: Make a histogram graph and make table of required data

A: Fromm the given question, Lets data be as follows below:

Q: A local store owner is interested in finding the mean age of her customers. She randomly surveys 82…

A: Key statistical concepts comprise of knowledge of population, sample, parameter, and statistic.

Q: For a symmetric bell shaped data, of the five number summary are: 6,10, Y, 16 ,x then

A: We have to find value of x and y.

Q: calculate the 30th percentile of the data shown, 3.4,3.9,7,11.7,14,20.3,26.2,27.8,28.9

A: given data 3.4,3.9,7,11.7,14,20.3,26.2,27.8,28.9arrange data in ascending…

Q: What is the largest value in the data set

A: Stem & leaf is is alternative representation of histogram.  Calculation for stem & leaf also…

Q: Draw a box plot for data of 12, 25, 9, 3, 8, 10 (take k = 1.5)

A: Data 12 25 9 3 8 10

Q: After giving a statistics exam, professor Dang determined the following five-number summary for her…

A: Given  minimum=min=60, Q1=68, Q2=77, Q3=89, maximum=max=98

Q: O E Ho: P1 P2 D D. Ho: P1 2 P2 H: P <P2 H, P, SP2 H P, 2P2 ind the standardized test statistic. z=…

A: Given that  Sample sizes n1=1120 , n2=1048 Sample proportion p1^ =0.47 , p2^=0.46