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
Marta_Voda [28]
2 years ago
15

1. A researcher is interested in whether drinking different sources of caffeine (tea vs. coffee) leads

Mathematics
1 answer:
g100num [7]2 years ago
3 0

The researcher's scientific/alternative hypothesis is:

  • Different sources of caffeine leads to differences in women's attentional control performance.

The researcher's null hypothesis is:

  • Different sources of caffeine leads to no difference in women's attentional control performance.

The type of sample which the researcher is using is:

  • Probability sampling.

A disadvantage to using this sample type is:

  • It is time consuming.

The thing which the researcher can conclude about these data is:

  • It is conclusive based on the reaction of the women to the independent variables.

If, in the population, women actually show NO difference in attentional control performance after drinking black tea versus coffee, the type of statistical error which the researcher has made is:

  • Type I error

<h3>What is a Scientific Hypothesis?</h3>

This refers to the difference between two variables which is discovered during a scientific research and is an observed pattern.

Read more about scientific hypothesis here:
brainly.com/question/896413

You might be interested in
62 is 90.5% of what number?
Kisachek [45]

Answer:

62 is 90.5% of what number?  68.51 (I think)

5 0
3 years ago
Triangle formula of a trianlge
adelina 88 [10]

Answer:

Formula for a triangle is 1/2bh

Step-by-step explanation:

B is for base and h is for height

5 0
2 years ago
Read 2 more answers
When a single card is drawn from an ordinary 52-card deck, find the probability of getting a 2 or a red card?
kipiarov [429]
Let R be the event that a red card is drawn. There are two red suits of 13 cards each, so there are 26 ways of getting are red card. There are 52 cards altogether, so the probability of getting a red card is P(R) = 26 52 = 1 2 . 
http://www.math.ttu.edu/~drager/Classes/02Spring/m1430/anse3.pdf
8 0
3 years ago
Read 2 more answers
HELP ME PLEASE WILL MARK BRAINLIEST
Natali [406]

Answer:

y = 7, x = 7

Step-by-step explanation:

11y + 13 = 90

11y = (90 - 13)

11y = 77

y = 7

2x + 6 = 20 (because 20 is half of 40)

2x = (20 - 6)

2x = 14

x=7

5 0
3 years ago
Convert the equation to the standard form of a parabola and graph the parabola, the
valina [46]

Answer:

Graph x2 = 4y and state the vertex, focus, axis of symmetry, and directrix. ... this "algebraically" by rearranging the given equation into the conics form: ... picking y-values first and then finding the corresponding x-values for x = –y2 – 10y – 25: ... find the exact vertex, etc, I'll need to convert the equation to perfect-square form.

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • A square poster has sides measuring 2 feet less than the sides of a square sign. Of the difference between their areas is 36 squ
    12·1 answer
  • State the conclusion based on the results of the test. The standard deviation standard deviation in in the pressure required to
    5·1 answer
  • HOw do you find what are the x intercepts of a graph
    14·2 answers
  • What is the answer to y=6+4x and y=-5x-21
    6·2 answers
  • If you have received $100 in sales (revenue), but it costs you $40 for labor. What is your profit?
    15·2 answers
  • To multiply a monomial by a polynomial, do you use the Associative or Distributive Property.
    10·2 answers
  • PLZZZZZZZ....... HELPPPP
    7·1 answer
  • Use a minimum of two sentences to describe the process for writing the ln(x)=5 in exponential form.
    13·2 answers
  • Graph the function f(x)=1/2 sqrt(x+1)
    8·1 answer
  • There are two aquariums in a science room. One of the aquariums is 18 inches wide, 25 inches long, and 12 inches high. If there
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!