![subject](/tpl/images/cats/fizika.png)
Physics, 18.03.2020 04:20 aprilreneeclaroxob0c
Validity is .a. concerned with the relationships of random error with systematic error. b. equal to the true score plus the systematic error. c. equal to the true score plus systematic error minus random error. d. concerned with the extent to which differences in scores reflect true differences in the characteristic. e. concerned with the extent to which differences in scores reflect instability in the measurements.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Physics
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:20
A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:30
Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 21:00
Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine
Answers: 2
You know the right answer?
Validity is .a. concerned with the relationships of random error with systematic error. b. equal to...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 20.09.2020 16:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 16:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.09.2020 16:01
![question](/tpl/images/cats/health.png)
Health, 20.09.2020 16:01
![question](/tpl/images/cats/biologiya.png)
Biology, 20.09.2020 16:01
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 20.09.2020 16:01
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 16:01
![question](/tpl/images/cats/en.png)
English, 20.09.2020 16:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 16:01
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 20.09.2020 16:01
![question](/tpl/images/cats/es.png)
Spanish, 20.09.2020 16:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.09.2020 16:01