BAS The torque. T Nm, required to rotate shafts of different diameters, Dmm, on a machine...

Question

Question

BAS The torque. T Nm, required to rotate shafts of different diameters, Dmm, on a machine has been tested and recorded below.

Unar Using your answer for part a), estimate the value of torque required when the diameter is 36mm to 2 decimal places. T36

Does your answer in partc indicate A strong positive linear relationship No linear relationship A weak negative linear relati

math Statistics-And-Probability

Answer 1

Answer #1

S.NO 361.0000 196.0000 64.0000 9.0000 121.0000 729.0000 1480.0000 SSX (y-7) 238.7025 126.5625 37.8225 3.4225 81.9025 481.8025

a)

T=0.809 D+1.295

b)

T36 =0.809*36+1.295 =30.42

c)

correlation coefficient r=

S_xy/(√S_xx*S_yy) =

0.9998

d)

A strong positive linear relationship

Answer 2

Similar Homework Help Questions

Home Students Library Help Portfolio matics (TU Open Learning) SPT-13828-0721-SST-2019 - "Real" Assessments Topic 2 Trigonometric...

Home Students Library Help Portfolio matics (TU Open Learning) SPT-13828-0721-SST-2019 - "Real" Assessments Topic 2 Trigonometric Methods V3.3 nmetic m BAS The instantaneous value of current i (amps) att seconds in a circuit is given by i = 30 sin(250xt+0.7) Find the value of Memory 3 marks a) Answered The amplitude 30 8 marks Partially answered Submit part 4 + 7 + 6 marks Unanswered 1 mark Answered 8 marks Unanswered 6 marks The period in ms Round your answer...
Length of metal strips produced by a machine process are normally distributed with a mean length...

Length of metal strips produced by a machine process are normally distributed with a mean length of 250cm and a standard deviation of 20cm. Giving your answer as a decimal to 4 decimal places, find the probablility that the length of a randomly selected strip is Shorter than 214cm Submit part 1 mark Unanswered Longer than 294cm Submit part Between 200cm and 290cm : 1/3 vered 3/4 wered arks vered Submit all parts 4 marks Try another question like this...