1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
-Dominant- [34]
3 years ago
13

A study was performed to determine whether men and women differ in their repeatability in assembling components on printed circu

it boards. Random samples of 25 men and 21 women were selected, and each subject assembled the units. The two sample standard deviations of assembly time were smen = 0.99 minutes and swomen = 1.01 minutes.
a. Is there evidence to support the claim that men and women differ in repeatability for this assembly task? Use α = 0.02 and state any necessary assumptions about the underlying distribution of the data.
b. Find a 98% confi dence interval on the ratio of the two variances. Provide an interpretation of the interval.
Mathematics
1 answer:
BigorU [14]3 years ago
3 0

Answer:

attached

Step-by-step explanation:

attached

Download docx
You might be interested in
solve the following problem. mr. grocer has 421 dozen eggs valued at $0.59 per dozen. how much are the eggs worth altogether? 24
pshichka [43]
You have to multiply 421 x .59 which is 248.39



6 0
3 years ago
Read 2 more answers
Suppose you graph the point's time and distance and your friend graphs distance time how will your grass be different
marusya05 [52]

Answer: ABC EASY AS 123

Step-by-step explanation:

4 0
2 years ago
GCF of 72 and 81 (pls show work 20 pts each)
Ostrovityanka [42]

Answer:

9

Step-by-step explanation:

9x8 is 72

9x9 is 81

9x8

3x3x4x4

3x3x2x2x2x2

9x9

3x3x3x3

8 0
2 years ago
Read 2 more answers
An item is regularly priced at 90$. Itis now priced at a discount of 30% off the regular price. What is the price now ?
frez [133]
If ur getting 30% off, then ur paying 70%
70% of 90...

0.7(90) = 63 <== discount price
8 0
3 years ago
Read 2 more answers
A recipe that makes 7 servings calls for 1 1/6 cups of juice.
VMariaS [17]
1/7 cups per serving

6 0
2 years ago
Other questions:
  • Which expression gives the volume of a sphere with radius 15?
    12·2 answers
  • Which of these statements is correct
    15·1 answer
  • Find the value of y when x equals 1, 9x+7y=-12
    12·1 answer
  • What are two real life examples of conics?
    5·2 answers
  • Quadrilateral LMNO has diagonals that intersect at point P. If LP=NP, MP = y + 25, and OP = 5y + 29, find the length of MO such
    10·1 answer
  • Start time 11:00 am elapsed time is 4 hours and 5 minutes what time does it end
    8·2 answers
  • Need help finding equation
    5·1 answer
  • Which matrix will always give a determinant of 0?
    12·1 answer
  • Complete the equation to show how many tenths are equivalent to 1/2​
    10·1 answer
  • 4/3*(1/2-6)=(4/3*1/2)-(4/3-6)
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!