Answer:
Step-by-step explanation:
4x = 38
x= 38/ 4
x = 9 1/2
The pack of pencils weighs 21.6 grams because 0.9 times 24 is 21.6
Write full questions is that....
Answer:
bicep circumference is a measurement of our body part we need to collect all our so we know our body fats.
The answer is Internal Validity.
Internal Validity is high in an experiment. when it demonstrates persuasively that changes in behavior are caused by the independent variable and not by unknown factors.
What is Internal Validity?
- Internal validity is defined as the degree to which the observed results represent the truth in the population under investigation and are not the consequence of methodological flaws.
- Internal validity is the degree of certainty that the causal link being examined is reliable and unaffected by other factors or variables.
- The extent to which study results may be extended (generalized) to other contexts, groups, or events is referred to as external validity.
To learn more about Internal Validity visit:
brainly.com/question/9292757
#SPJ4
