The costs of various sailboats of varying lengths are xx, length in feetyy, thousands of dollars......The line of best fit for the data in this table (no data shown) is y=3.28x−22.59y=3.28x-22.59. Approximate the cost of a sailboat (to the nearest thousand) that is 30 ftftlong. $ thousand

Q: The line plot below shows the heights of the stacks of paper for different classrooms in the copy…

A:

Q: 3. Approximately 99.7% of the area under a normal curve falls in the interval (59.2,61). Find the…

A:

Q: If a copper wire (which has a diameter of 0.0126 inch) has a resistance of 66.17 ohms per thousand…

A: Formula to solve this problem is given in next step.

Q: 2. Determine whether x4 +x³+x² +2 and x³ +1 are congruent mod (x² + 2) in Z3[x].

A: 2)  Let  and  in      We  have  to check that whether…

Q: If we calculated a 95% CI instead of a 99% CI, what would happen to the midpoint and what would…

A: Here we construct a 95% confidence interval instead of 99% confidence interval. We are interested in…

Q: Describe the error · %3D

A: The dot product of two vectors, <a, b> and <x, y> is defined as follows.

Q: A cyclist is tracking weekly mileage while training for a race. The table models the number of…

A: x(weeks)01234y (miles)607286.4103.68124.416

Q: 2.) The measure of the electrical resistance of a wire is proportional to the measure of its length…

A:

Q: What is the intercept for observations with X2 equal to 0? a. 2.121 b. 0.055 c. 1.343 d. -0.723

A: The intercept for observations with X2 equal to 0 is determined as shown below.

Q: The equation of the line of best fit relating age (in years, x) and the median height (in cm, y) of…

A:

Q: This table shows the number of reported cases of a disease in a country. Week Size 400 500 2. 625 3.…

A: Given: n = 4 Formula Used: The regression model is: Y = a + bX Slope b = n∑XY-∑X∑Yn∑X2-∑X2 Intercept…

Q: Professor Miguel has just given a math exam and wants to calculate the 'range' of performance of his…

A: Given problem Given that   Professor Miguel has just given a math exam and wants to calculate the…

Q: 3.) An airplane's altitude changed -378 feet over 7 minutes. What was the average change of altitude…

A: Given airplanes altitude changed -378 feet over 7 minutes.

Q: the length of time taken to run 100m a continous data?

A: Variables is of two types: qualitative data and quantitative data.  Qualitative data represents…

Q: If f)=6X+12, hind the slopeof the secaut line between the values of X,= -5 and Xa = - 6- %3D

A: The given function is: fx=6x+12 To find the slope of the secant line between the values of x1=-5,…

Q: Mr. Britten recorded the grades his students scored on a math test. He wants to make a dot plot to…

A: Given: Number of students scored 100=6Number of students scored 70=1Number of students scored…

Q: Find the time required to produce 20th units, if the slope parameter of learning rate is 95% and the…

A: Given, The slope parameter of learning rate is 95% and the first unit take 425 hours.   Time to…

Q: X X Oml 0 1 4 2 3 9 16 لیا

A: Given data is x 0 1 2 3 y 1 4 9 16   Now forward difference table is x y ∆y ∆2y ∆3y 0 1…

Q: When creating the dot plot, how are multiple data points for a single score displayed? a. A larger…

A: Since we know that dot plot is defined as -The distribution of a quantitative variable is shown on a…

Q: American Indian Native Hawaiian and Other Pacific Islander Black or Some other Two or more races…

A: To calculate the median percent of African Americans living under the poverty level, the following…

Q: x is Sales; y is Advertisement 7000.00 y = 3.957x - 226.62 R = 0.9411 6000.00 5000.00 4000.00…

A:

Q: If le| = 1.602x10-19C, calculate the value of h from the slope (include the unit) %3D

A: Given: e=1.602×10-19C Slope=-7.94×1013 unitsIntercept=8.21×1014 units To find: h=?ϕ=? Note: In the…

Q: Interpolate the Sales for 1990 from the following data. Years : 1988 1989 1990 1991 1992 Sales : 250…

A: @solution:::

Q: 53° 15 37 37 12 53 Length of side opposite angle in larger triangle Length of side opposite angle in…

A:

Q: 4. What is the total area under the curve for the normal distribution? 4. What do you call the graph…

A: Normal distribution  f(x) is said to be normal distribution and which mean=μ, standard deviations=σ…

Q: You must estimate the mean temperature (in degrees Fahrenheit) with the following sample…

A: The data is about the temperature in degrees Fahrenheit of 12 values.

Q: In an area of the Great Plains, records were kept on the relationship between the rainfall (in…

A: Given data and calculation for linear coefficient is shown below

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.