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
Allisa [31]
3 years ago
14

A biologist wants to test whether chemically modifying a particular plant family will reduce their ability to retain water and m

oisture. In order to test this, a fixed volume of water is given to plants that have been chemically modified, and plants in a control group that have not been modified. The volume of moisture retained by each plant some time after is then recorded.
The statistics are given in the table below:

Volume of moisture retained
Group Sample Size Sample Mean (ml) Sample Standard Deviation (ml)
Control Group 24 146 114
Modified Group 23 106 115
At level of alpha = 0.05, the null hypothesis that chemical modification does not reduce the plant's ability to retain water and moisture is ________.
Mathematics
1 answer:
Alla [95]3 years ago
8 0

Answer:

the answer is 4.56

Step-by-step explanation:

because it is i use my mommy calculator

You might be interested in
Can u answer this. This ain’t 20 characters long, why.
dexar [7]

Answer:

Step-by-step explanation:

slope is 3/4.

I'm pretty sure, cuz it's rise/run

7 0
3 years ago
The area of a square is 75 inches squared. A student correctly wrote the length of each side of the square as a√3. What is the v
aev [14]

Answer: 5 in.

Step-by-step explanation:

Given

The area of the square is 75\ in.^2

The side length of the square is a\sqrt{3}

Area of square=(\text{length})^2

\therefore 75=(a\sqrt{3})^2\\\Rightarrow 75=3a^2\\\Rightarrow a^2=25\\\Rightarrow a=5\ in.

Thus, value of a is 5 inch

6 0
3 years ago
Juliana wants to find the mass of a watermelon. What unit should she use?
GuDViN [60]

Answer:if you want grams than use metric if pounds use standard

Step-by-step explanation:

3 0
3 years ago
Find the general solution of the differential equation y'' - 2y' - 3y = -3te^(-t)
e-lub [12.9K]
Consider this solution. Pls, make a design according the local requirements.

5 0
3 years ago
Can someone give me the answer even my teacher can’t answer it
svetoff [14.1K]
B = 40.95d + 50.70 .......
7 0
3 years ago
Other questions:
  • The drawing of a building shown below has a scale of 1 inch to 30 feet. What is the acual height in feet of the building?
    6·2 answers
  • Which is more, 285 inches or 8 yards? 285 inches 8 yards neither; they are equal submit?
    15·1 answer
  • What is the equation of the following graph? Write it in both slope-intercept form and standard form.
    11·1 answer
  • the food stand at the zoo so 2514 lb of hamburger last month but average cost of a pound of hamburger is $2 Germany's estimates
    14·1 answer
  • Algebra help - please be so kind - god bless. 2&3 please
    7·1 answer
  • The drama club is printing t-shirts for its members. The printing company charges a certain amount for each shirt plus a setup f
    11·1 answer
  • Least common multiple of 6, 10, and 15
    7·2 answers
  • Simplify -12.5 - (-4.8)
    9·1 answer
  • Please help me outtttttttttt
    15·1 answer
  • Billy visits a local restaurant. He has 3 meat choices, 10 vegetable choices, 2 bread choices, 6 dessert choices, and 5 drink ch
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!