PRACTICE PROBLEMS 1. Find the variance and standard deviation for the five states with the most covered bridges: Oregon: 106 Vermont: 121 Indiana: 152 Ohio: 234 Pennsylvania: 347 2. Find the variance and standard deviation of the heights of five tallest skyscrapers in the United States: Sears Tower (Willis Building): 1450 feet One World Trade Center: 1776 feet Trump Tower: 1388 feet Empire State Building: 1250 feet 2 World Trade Center: 1340 feet 3. Find the variance and standard deviation of the scores on the most recent reading test: 7.7, 7.4, 7.3, and 7.9 4. Find the variance and standard deviation of the highest temperatures recorded in eight specific states: 112, 100, 127, 120, 134, 118, 105, and 110.

Q: Using 2016 as the base year, calculate the Pasche’s Price Index for 2021. A    149.86 B    138.60…

A: Given A business analyst has obtained the following information on prices and quantities of three…

Q: SLOPPY

A:

Q: What is SSB?

A: In ANOVA table calculation SSB is the sum of squares between treatments, and it is helps to find the…

Q: Something is traveling 7 miles per hour South. This could be represented by 7 = ( )

A:

Q: Your handwriting is not that clear is there any way you can type it out?

A: Given that, Records show that 30% of the avocados come from P, 55% come from Q and the rest come…

Q: to 9. の)ie6

A: We will use Euler's expansion

Q: for

A: This is not a symbol.

Q: f the score of 3 courses for a student who studied at a university are 81, 62, 74 with credit hours…

A: Solution: The scores of three courses for a students are  X= 81, 62 and 74 The credit hours  that is…

Q: The question is on the picture included

A:

Q: i already knew that the  answer was discrete can ou do a question i didnt answer?

A: Given the following probability distribution tableX345678910P(X)0.060.250.360.190.040.050.03?

Q: I also need the p value

A: (a) Now since the same student appears for the SAT twice, the scores are matched pairs. Hence the…

Q: Discotinuity?

A: We need to find continuity and discontinuity.

Q: When Z = -1.2, M = 21.6, and s = 1.5, what is X?

A: Answer: From the given data, Z value = -1.2 Mean (M) = 21.6 Standard deviation (s) = 1.5

Q: Match these values of r with the accompanying scatterplots: -0.758, 0.4, -1, -0.995, and 0.995.…

A: 1. Downwards trending line makes the perfect negative correlation 2. Upwards trending line shows the…

Q: Match these values of r with the accompanying scatterplots: 0.994, 0.359, 0.713,-0.994, and Click…

A: Scatter plot shows the data points, it is used to determined the strength and direction of the…

Q: when x =8what is y and what does it mean in this context?

A: The line of best fit obtained by using the to determine the relationship between the amount of an…

Q: i believe there is an error, x = 51.3 not 5.13.

A: given mean sample size (n)=25level of significancestandard deviation we know the formula calculating…

Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

A:

Q: What percent of the students are over 76.75 "? Do the problem in steps 1. First convert 76.75 " to a…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Draw the scatter diagram of “modules are remaining to complete the degree/diploma and number of…

A: To Draw the scatter diagram of “modules are remaining to complete the degree/diploma and number of…

Q: Can you please space out the numbers and make the instructions more clear? It is very hard to tell…

A: From the information, The formula for calculating theVar(aX+bY) is

Q: Match these values of r with the accompanying scatterplots: - 0.996, – 1, 0.996, 0.742, and -0.404.…

A: We have to find  each scatter plot values...

Q: Match these values of r with the accompanying scatterplots: - 0.996, - 1, 0.996, 0.736, and 0.371.…

A: Given data:

Q: I can not tell which question is marked correct.

A: 1. Statement: If the light bulb was just turned off, then the light bulb is not hot.  Reverse: If…

Q: tricky

A:

Q: which woman is the thief

A: For woman,a motion light that was mounted on a wall shined down on her and cast a shadow that was…

Q: What is the value of r?

A: Calculated values :  N1 = 200  dN1/dt = 100    N2 = 400  dN2/dt = 160

Q: Cueston Heip Use the magnitudes, rounded to two decimal places, of the 100 earthquakes included in…

A: The given information is that the 100 earthquakes magnitudes and the class width is 0.50.

Q: selected this and it was marked wrong. I am very confused.

A: Given ,The lowest  value is , X = 5 The highest value is , X = 18these scores were put in a grouped…

Q: the potential credit is incorrect

A:

Q: Does this

A: For given series, we have to find only limit of an.

Q: Could you perhaps draw this?

A: Given lines arel: X=(1−22)+λ(111)m: X=(203)+μ(1−10)n: X=(321)+ν(634)The line n is parallel to the…