Chemistry, 22.03.2021 16:00 jdchacon117
Four students obtained the following measurements for a ruler. The actual length was 30.5 cm. Each student measured the ruler 4 times. Which of the following statements regarding their measurements are
correct?
Student
Ruler
Measurements
Student 1
31.5
31.4
31.5
31.4
Student 2
30.4
30.5
30.4
30.4
Student 3
30.02
30.25
30.18
30.07
Student 4
28.5
28.7
28.7
28.6
I. Student 1's measurements were precise, but not accurate,
II. Student 2's measurements were both accurate and precise.
III. Student 3's measurements were accurate, but not precise.
IV. Student 4's measurements were precise, but not accurate.
DI
11
III
V
Answers: 2
Chemistry, 22.06.2019 23:00
What element has similar physical and chemical properties as boron.
Answers: 1
Chemistry, 22.06.2019 23:10
Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
Answers: 3
Chemistry, 23.06.2019 02:00
The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
Answers: 3
Chemistry, 23.06.2019 03:00
In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas
Answers: 2
Four students obtained the following measurements for a ruler. The actual length was 30.5 cm. Each s...
Health, 10.12.2020 02:00
History, 10.12.2020 02:00
English, 10.12.2020 02:00
English, 10.12.2020 02:00
Mathematics, 10.12.2020 02:00
Business, 10.12.2020 02:00
Computers and Technology, 10.12.2020 02:00
Mathematics, 10.12.2020 02:00
Mathematics, 10.12.2020 02:00