Frequency Distribution Table

Students heights in inches were obtained as part of a study and a frequency distribution was constructed with the first class having a lower limit of 50 inches. The class widths are 6 inches. What is the frequency of the second class in the distribution?

51 51 54 56 56 57 59 61 61 62 65 69 70 70 71 71 72 73

• 6

• 7

• 5

• 4

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Identify the class boundaries for the given frequency distribution.

Weight (lbs) Frequency

200- 204 6

205- 209 5

210- 214 12

215- 219 36

220- 224 87

225- 229 28

230- 234 0

235- 239 0

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria?

IQ Score Frequency

50- 69 24

70- 89 228

90- 109 490

110- 129 232

130- 149 26

• No, requirements are not necessary

• No, missing most requirements

• Yes, all the requirements are met.

• Yes, but some requirements are met.

Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria?

Weight (g) Frequency

5.5000- 5.5499 1

5.5500- 5.5999 4

5.6000- 5.6499 7

5.6500- 5.6999 13

5.7000- 5.7499 16

5.7500- 5.7999 9

• No, the distributions are symmetric.

• No, the distributions are not symmetric.

• Yes, the distributions are not skewed to the left.

• Yes, the distributions are not skewed to the right.

A sample value that lies very far away from the majority of the other sample values is _____.

A positively-skewed distribution is more likely to occur whenever we have:

• Ceiling Effects

• A wide variety of participants

• Floor Effects

• A large sample size