Which method of data collection should be used to collect data for the following study.

Which method of data collection should be used to collect data for the following study. The average age of the 107 residents of a retirement community. Choose the correct answer below. A. Cluster Sampling B. Systematic Sampling C .Stratified Sampling D. Census

Asked 18 days ago by jdawg

Following the election, 18% of the governors of the 50 United States were female

Determine whether the underlined value is a parameter or a statistic Following the election, 18% of the governors of the 50 United States were female Is the value a parameter or a stastic?

Asked 21 days ago by jdawg

Determine whether the given value is a statistic or a parameter.

Determine whether the given value is a statistic or a parameter. A sample of seniors is selected and it is found that 40% own a computer.

Asked 24 days ago by bhdrkn

A probability experiment consists of rolling a 6-sided die. Find the probability of the event below.

A probability experiment consists of rolling a 6-sided die. Find the probability of the event below. rolling a number less than 4

The mean value of land and building per acre from a sample of farms is $\$1200$, with a standard deviation of$\$300$.

The mean value of land and building per acre from a sample of farms is $\$1200$, with a standard deviation of$\$300$. The data set has a bell-shaped distribution. Using the empirical rule, determine which of the following farms, whose land and building values per acre are given, are unusual...

Answered 27 days ago by jdawg

Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line.

Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful....

Answered 28 days ago by bhdrkn

Consider a company that selects employees for random drug tests. The company uses a computer to randomly select

Consider a company that selects employees for random drug tests. The company uses a computer to randomly select employee numbers that range from 1 to 6061. Find the probability of selecting a number less than 1000. Find the probability of selecting a number greater than 1000.

You roll a pair of four-sided dice and record the sum. List all of the possible sums and determine the probability of rolling a sum of 7

**You roll a pair of four-sided dice and record the sum. List all of the possible sums and determine the probability of rolling a sum of 7.** List all the possible sums. What is the probability of rolling a sum of 7?

Answered 1 month ago by bhdrkn

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score?

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? | | Score   | Percent of final grade | |:-|:-:|:-:| | Homework | 81  | 15 | | Quiz | 86   | 5 | | Quiz | 90   | 5 | | Project | 95   | 40 | | Final Exam | 87  ...

Answered 1 month ago by bhdrkn

Human Growth and Development

Bronfenbrenner's bioecological theory is often explained by using a diagram that looks like a target with the individual in the bull's eye position. What is his point.

Asked 1 month ago by tonya do

HCS 438 Week 2 Quiz Question

What is the range of the values 2.0, 3.7, 4.9, 5.0, 5.7, 6.7, 8.5, and 9.0?

Specific Heat and Calorimetry

A 97.6 g lead ball is dropped from rest from a height of 50 m.  The collision between the ball and the ground is totally inelastic.  Assuming all the ball's kinetic energy goes into heating the ball, find its change in temperature.

Answered 2 months ago by JasonJones

For telecommunications, satellites are better served by rotating around the earth at the same speed as the earth rotates

For telecommunications, satellites are better served by rotating around the earth at the same speed as the earth rotates, or 24.0 h.  What is the distance from the center of the Earth that the satellite must be placed to achieve this geosynchronous orbit?  What is the orbital speed of the satellite?

A potter's wheel moves from rest to an angular speed of 0.20 rev/s in 30 s

A potter's wheel moves from rest to an angular speed of 0.20 rev/s in 30 s.  Find its angular acceleration in radians per second per second.

Answered 2 months ago by bhdrkn

The tires on a new compacy car have a diameter of 2.0 ft and are warranted for 50,000 miles.

The tires on a new compacy car have a diameter of 2.0 ft and are warranted for 50,000 miles.  (a)  Determine the angle (in radians) through which one of these will rotate during the warranty period.  (b)  How many revolutions of the tire are equivalent to your answer in (a)?

Answered 2 months ago by bhdrkn

An explanation of Impulse

Can you tell me a little bit about Impulse for my physics assignment?

Answered 2 months ago by JasonJones

A skier of mass 70 kg is pulled up a slope by a motor driven cable. (a) How much work is required to pull him 60 m

A skier of mass 70 kg is pulled up a slope by a motor driven cable.  (a)  How much work is required to pull him 60 m up a $30^o$ slope (assumed frictionless) at a constant speed of 2.0 m/s?  (b)  What power must a motor have to perform this task?

Answered 2 months ago by JasonJones

The electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0 ms

The electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0 ms.  The total mass of the train is 875 g.  Find the average power delivered to the train during its acceleration.

Answered 2 months ago by bhdrkn

A 0.250-kg block is placed on a light vertical spring $k = 5.00 \times 10^3 \text{ N/m}$ and pushed downwards, compressing the spring 0.100 m.

A 0.250-kg block is placed on a light vertical spring $k = 5.00 \times 10^3 \text{ N/m}$ and pushed downwards, compressing the spring 0.100 m.  After the block is released, it leaves the spring and continues to travel upwards.  What height above the point of release will the block reach if air...

Answered 2 months ago by bhdrkn

You are given a uniform flexible chain whose mass is 5 kg and length is 5m, and a small frictionless pulley whose circumference is negligible compares to the length of the chain

You are given a uniform flexible chain whose mass is 5 kg and length is 5m, and a small frictionless pulley whose circumference is negligible compares to the length of the chain.  Initially the chain is hung over the pulley with nearly equal lengths on both sides, but just unequal enough so that...

Answered 2 months ago by bhdrkn

On a frozen pond, a 10-kg sled is given a kick that imparts to it an initial speed of $v_0$ = 2.0 m/s

On a frozen pond, a 10-kg sled is given a kick that imparts to it an initial speed of $v_0$ = 2.0 m/s.  The coefficient of kinetic friction between sled and ice is $\mu_k$ = 0.10.  Use the work-energy theorem to find the distance the sled moves before coming to rest.

Answered 2 months ago by JasonJones

A block of mass 3.0 kg is pushed 5.0 m along a frictionless horizontal table by a constant 20.0 N force directed 25

A block of mass 3.0 kg is pushed 5.0 m along a frictionless horizontal table by a constant 20.0 N force directed $25^o$ below the horizontal.  Determine the work done by a) the applied force, b) the normal force exerted by the table, c) the force of gravity, and d) the net force on the block.

Answered 2 months ago by JasonJones

A basketball player 2.0 m tall want to make a basket from a distance of 9.0 m. The hoop is at a height of 3.0 m

A basketball player 2.0 m tall want to make a basket from a distance of 9.0 m.  The hoop is at a height of 3.0 m.  If he shoot the ball (from a height of 2.0 m) at a 30o angle, at what initial speed must he throw the basketball so that it goes through the hoop without striking the backboard? ...

Answered 2 months ago by JasonJones

HCS 438 Week 2 Quiz Question

In a Gallup poll of 1,038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful?

Great Pyramid Geometry

The Great Pyramid outside Cairo, Egypt has a square base measuring 756 feet on a side and a height of 480 feet. A] What is the volume of the great pyramid in cubic yards? B] The stones used to build the Great Pyramid were limestone blocks with an average volume of 1.5 cubic yards. How many of...

Answered 2 months ago by Gigi

Describe the Easter Offensive

Describe the Easter Offensive? Include in your discussion (1) North Vietnam's goals (2) tactical results on both North Vietnamese and South Vietnamese military forces, and (3) the political consequences.

Answered 2 months ago by baptiste

Nixon: Peace through Coercion

The author stated that Nixon attempted to achieve "peace through coercion". First, describe his diplomatic and military moves. Second, summarize his public strategy?

Answered 2 months ago by baptiste

Difference between

Describe the difference between "positive reinforcement" and "negative reinforcement." Half-page, single spaced with one real-life example

Answered 2 months ago by baptiste

B.F. Skinner

B. F. Skinner is a famous psychologist. What is/was his great contribution to science?

Answered 2 months ago by baptiste