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
DanielleElmas [232]
3 years ago
12

At the beginning of a semester an anonymous survey was conducted on students in a statistics class. Two of the questions on the

survey were about gender and whether or not students have equal, more, or less energy in the afternoon compared to the morning. Below are the results.
Equal Less More
Female 18 37 24
Male 9 15 23
What test should we perform to see if gender and energy level are associated?

a. Chi-square test of independence
b. Chi-square test of goodness of fit
c. Comparing two proportions
d. Comparing two means
Mathematics
1 answer:
kati45 [8]3 years ago
4 0

Answer:

a. Chi-square test of independence

Step-by-step explanation:

The chi square statistics is also used to test the hypothesis about the independence of two variables each of which is classified into a number of categories or attributes.

In the given problem the Equal , more or less are the attributes.

The goodness of fit test is applicable when the cell probabilities depend upon the unknown parameters  provided that the unknown parameters are replaced with their estimates and provided that one degree of freedom is deducted for each parameter estimated.

You might be interested in
The complex number 5+2i is a zero of a rational function. The graph of the function also has local maxima at (-1,0),(2,0) and (8
Bad White [126]

for a graph to have three local maxima

if you notice that graphs maxima and minima are 1 less that its degree

x²  has one turn or minima, it looks like ∪

x^ 3 has 2 turns

so to have three maxima its likely a x^4 or 4 degree equation

6 0
3 years ago
I’m having a bit of trouble with this
Leviafan [203]
Hey buddy please specify the trouble so that we can answer that
Thanks
4 0
3 years ago
Read 2 more answers
Find the angles of a triangle whose two base angles are equal and whose third angle is 10° less than three times the base angle.
Illusion [34]

Answer:

well if the bottom two are 30 then that leaves you with 70

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Tommy has up to $100 to spend on shoes. if each pair of shoes costs an average of $26, what are the possible numbers of pairs of
Arada [10]
100/26=3.85
The most he can buy is 3 pairs
3 0
3 years ago
What is the sum of two odd numbers of 36
irakobra [83]
The sum of two odd numbers is 23+13. One way you could figure it out is to use your logic thinking! Hope this helps and I hope that you get this answer before the moderater deletes it! (They hate me! ☹️ I don't know what I ever done to them I just started today)
4 0
3 years ago
Other questions:
  • The body of a person who weighs 50 kilograms consists of 32.5 kilograms of oxygen, 9 kilograms of carbon, 5 kilograms of hydroge
    9·1 answer
  • Members of the drama club sold T shirts for their upcoming musical. Of the 80 T shirts sold, 55 % were size medium. How many of
    6·1 answer
  • WILL REWARD/// BRAINLIEST/// 30 POINTS
    11·2 answers
  • Each square in Figures D and E has a side length of 1 unit. Compare the area of the two figures. Which figure has more area? How
    15·1 answer
  • Determine how many significant figures are in the number. 1. 150 2. 99.01 3. 200.1 4. 1000000
    10·1 answer
  • The value of a bike depreciates by 35% per year. Work out the current value of a bike bought 2 years ago for £600
    10·2 answers
  • Whats 18 over 36 simplified
    8·2 answers
  • 5
    12·1 answer
  • Carol says that -520/105 • 16/15 • (-1/2) is less than 2.5 . Do you agree? Explain.
    9·1 answer
  • Find the surface area of the cone in terms of pi. 15cm 3cm
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!