What symbol is used for the standard deviation when it is a sample statistic? what symbol is used for the standard deviation when it is a population parameter?

Answered by admin AT 02/06/2020 - 01:41 AM

You use the lower case letter s for the sample standard deviation

You use the greek letter sigma (written as $\sigma$ ) for the population standard deviation

Post your answer

The first electronic stock market is known as: A. Standard and Poor B. NYSE C. NASDAQ D. Dow Jones

Mathematics

QUESTION POSTED AT 02/06/2020 - 02:02 AM

Part A: Billy rented a canoe at $14 for 2 hours. If he rents the same canoe for 5 hours, he has to pay a total rent of $29. Write an equation in the standard form to represent the total rent (y) that Billy has to pay for renting the canoe for x hours. (4 points) Part B: Write the equation obtained in Part A using function notation. (2 points) Part C: Describe the steps to graph the equation obtained above on the coordinate axes. Mention the labels on the axes and the intervals. (4 points) Part A: Ax By= C

Mathematics

QUESTION POSTED AT 02/06/2020 - 01:53 AM

Part A: Billy rented a canoe at $14 for 2 hours. If he rents the same canoe for 5 hours, he has to pay a total rent of $29. Write an equation in the standard form to represent the total rent (y) that Billy has to pay for renting the canoe for x hours. (4 points) Part B: Write the equation obtained in Part A using function notation. (2 points) Part C: Describe the steps to graph the equation obtained above on the coordinate axes. Mention the labels on the axes and the intervals. (4 points) Part A: Ax By= C

Mathematics

QUESTION POSTED AT 02/06/2020 - 01:47 AM

Two researchers are studying the decline of orangutan populations. In one study, a population of 784 orangutans is expected to decrease at a rate of 25 orangutans per year. In a second study, the population of a group of 817 orangutans is expected to decrease at a rate of 36 per year. After how many years will the two populations be the same? The two populations will be the same after ______ years

Mathematics

QUESTION POSTED AT 02/06/2020 - 01:40 AM

A county's population in 1991 was 147 million. In 1998 it was 153 million. Estimate the population in 2017 using the exponential growth formula. Round your answer to the nearest million.

Mathematics

QUESTION POSTED AT 02/06/2020 - 01:21 AM

What symbol is used for the standard deviation when it is a sample statistic? what symbol is used for the standard deviation when it is a population parameter?

Answered by admin AT 02/06/2020 - 01:41 AM

Related questions

The first electronic stock market is known as: A. Standard and Poor B. NYSE C. NASDAQ D. Dow Jones

A county's population in 1991 was 147 million. In 1998 it was 153 million. Estimate the population in 2017 using the exponential growth formula. Round your answer to the nearest million.

A certain species of fish has been declining in population by 7% per year. That means it's rate of decay is 0.93. The population at time zero is 500,000. What is the initial population?

What is the probability of drawing a spade from a standard deck of cards on a second draw, given that a spade was drawn on the first draw and not replaced?

What is 5.23 x 10^4 in standard notation

Mischa wrote the quadratic equation 0 = –x2 + 4x – 7 in standard form. What is the value of c in her equation?

What is the standard form of (2-4i)(3+5i)/(3+i)?

The vertex form of the equation of a parabola is y=(x-3)^2+36 what is the standard form of the equation

Suppose the population of a town is 567 in 2001. The population decreases at a rate of 1.5% every year. What will be the population of the town in 2010? Round your answer to the nearest whole number.

Alice has measured a hemoglobin level of 200 people if the data follows a normal distribution with a mean of 10 and standard deviation of 1 what can you conclude

The product of two consecutive integers is 420. An equation is written in standard form to solve for the smaller integer by factoring. what is the constant of the quadratic expression in this equation x^2 + x + _________=0

The population of a city in Alabama increases every year by 11.5 percent. If the population in 2011 was 4.8 million, what will its population be in 2016?

Which of the following are appropriate measures of central tendency to apply to the sorted list below of professional wrestler weights? 204, 211, 215, 253, 277, 301, 308, 316, 345, 362 A. Mode B. Median C. Mean D. Standard deviation E. Range

Assume that blood pressure readings are normally distributed with a mean of 115 and a standard deviation of 9.6. if 144 people are randomly? selected, find the probability that their mean blood pressure will be less than 117. round to four decimal places.

Write the standard equation for the circle with center at (4,-1) and passing through the point (0,1)

In a standard dictionary, where can you find the key to pronunciation marks ?

A study of one thousand teens found that the number of hours they spend on social networking sites each week is normally distributed with a mean of 30 hours. The population standard deviation is 2 hours. What is the 95% confidence interval for the mean?

The vertex form of the equation of a parabola is y = 2(x + 3)2 - 5. What is the standard form of the equation? A) y=2x^2+12x+13 B) y=2x^2+5x+9 C) y=4x^2+4x+4 D) y=2y^2+5y+9

Write the standard form of the line that contains a slope of -1/2 and y intercept of 1

PLEASE HELP Which terms could be used as the last term of the expression below to create a polynomial written in standard form? Check all that apply. –5x2y4 + 9x3y3 + x5 y5 –4x4y5 6x4y –xy5 –x4^-9 Why doesn't anybody answer?

Audrey has a box that contains one caramel chocolate (C), one milk chocolate (M), one dark chocolate (D), and one white chocolate (W). She picks one chocolate and eats it. Then she picks another chocolate and eats it. What is the sample space of the event?

A scientist is studying wildlife. she estimates the population of bats in her state to be 270,000. she predicts the population to grow at an average annual rate of 2.9%. using the scientist's prediction, create an equation that models the population of bats, y, after x years.

Harold flips a coin and rolls a standard number cube. Find the probability that the coin will show tails and the cube will show a seven. Write the probability as a fraction in simplest form.