Twenty readings of y are summarised by the totals (y 5) 2 890 and (y 5) 130 Find the standard deviation of y ...

The formula for the sample standard deviation of a set of data is s sqr ...

Twenty readings of y are summarised by the totals (y 5) 2 = 890 and (y

Question:

Twenty readings of y are summarised by the totals Σ(y − 5)² = 890 and Σ(y − 5) = 130. Find the standard deviation of y.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

See More Books

Question Posted: Sep 13, 2021 01:55 AM

See More Questions

Twenty 50 kg suitcases are carried by a horizontal conveyor belt at a velocity of 0.5 m/s without any slippage. If s = 0.9. (a) Determine the power required to drive the conveyor. Assume no friction...
Twenty values of x are summarised by (x 1) 2 = 132 and (x 1) = 44. Eighty values of y are summarised by (y +1) 2 = 17 704 and (y +1) = 1184. a. Show that x = 64 and that x 2 = 240. b. Calculate the...
Twenty values of x are summarised by (x 1) 2 = 132 and (x 1) = 44. Eighty values of y are summarised by (y +1) 2 = 17 704 and (y +1) = 1184. a. Show that x = 64 and that x 2 = 240. b. Calculate the...
In the Walton Bookstore example with a discrete demand distribution, explain why an order quantity other than one of the possible demands cannot maximize the expected profit.
With arrows, illustrate the transfer of electrons to form scandium fluoride from Sc atoms and F atoms.
Cameron Bly is a sales manager for an automobile dealership. He earns a bonus each year based on revenue from the number of autos sold in the year less related warranty expenses. Actual warranty...
In 2020, the Bureau of Labor Statistics posted the following statement to its website: Due to the unusual circumstances related to the pandemic . . . interviewers were given additional guidance...
On January 1, Pan Corporation pays $400,000 cash and also issues 36,000 shares of $10 par common stock with a market value of $660,000 for all the outstanding common shares of Sis Corporation. In...
(08 Marks) In the Fig.1(c), compare the output of the network, if the activation function is a sigmoid 1 function y=- and (X1, X2) (1, 1). 1+e 1+1 AYY Y YC.) B YC. ye D 46 (06 Marks)
Consider the regression model Yi = 0 + 1Xi + ui. (a) Suppose you know that 0 = 0. Derive a formula for the least squares estimator of 1. (b) Suppose you know that 0 = 4. Derive a formula for the...
Find the standard deviation of x, given that 4x 2 = 14600, 2x = 420 and n = 20.
A building is occupied by n companies. The number of people employed by these companies is denoted by x. Find the mean number of employees, given that x 2 = 8900, x = 220 and that the standard...
You are given the equation(s) used to solve a problem. For each of these, a. Write a realistic problem for which this is the correct equation(s). b. Finish the solution of the problem. (9.0 10...
1. State and describe the SIX (6) principles of Blue Ocean Strategy discussed in Unit 6. 2. Define and describe FIVE (5) forms of compensation or remuneration given to the employees discussed in Unit...
Explain whether DoorDash is creating any value for stakeholders. Is it sustainable? Answer this question according to the strategic management course.
Explain the importancw of performance measurments for the pick n pay group. should customers be segmented? if so, how should it be done? Explain the need for customers relationship management and...
Explain why the account Provincial Sales Tax Payable is credited when a sale is made subject to that tax? Unlimited Materials sold goods for $1,800 plus 5% GST to a charge customer, terms n/30. What...
Explain the majorbreakthrough that was achieved by the BSM model Why do we assume alognormaldistribution for stock prices - what is the value of this approach? Explain the concept of implied...
Show how each of the following compounds could be synthesized from benzene: a. o-nitrophenol b. p-nitroaniline c. p-bromoanisole
Write the binomial probability in words. Then, use a continuity correction to convert the binomial probability to a normal distribution probability. P(x 110)
Evaluate: Consider the area bounded by a. b. c. d. e. f. -1 (2x + 3) dx
Show that none of the following improper integrals exists. a. b. c. d. e. f. 00 S 4 6 dx
The diagram shows the curve y = x 2 + 11x 18 and the line 2x + y = 12 . Find the area of the shaded region. y=-x + 11x-18 B X 2x + y = 12
You are borrowing USD 1000 for one year, at a coupon rate of 6.9%. You will get the money today, and will repay all principal and interest one year from today. If the current CAD per USD spot rate is...
Choose two extrinsic reinforcers/rewards and two intrinsic reinforcers/punishments for a young child and give a short example of how both reinforcers work for a defiant child.
1. Consider Treasure notes with 5% coupon and 4.5, 5 and 5.5 years to expire. If the forward rate is 5.5% from 4.5 to 5 years and 4.5% from 5 to 5.5 years, can you tell which 5s has the lowest price?...

Twenty readings of y are summarised by the totals (y 5) 2 = 890 and (y

Question:

Step by Step Answer:

The formula for the sample standard deviation of a set of data is s sqr...View the full answer

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

Students also viewed these Mathematics questions