For this set of data, the standard deviation (s) is equal to ______. 104, 116, 95, 121, 87
a. 12.66
b. 14.15
c. 104.60
d. 523
b. 14.15
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Which of the following is an example of a checklist?
a. Jenny tentatively wanders into the block center and fingers blocks on the shelf; Jamal enters, speaks to Jenny, and hands her a long block; Jamal animatedly talks as he begins building a block structure; Jenny watches intently, then begins stacking blocks that are all the same size. b. 8:00 a.m., block center empty; 8:15 a.m., one girl in block center; 8:30 a.m., four boys in block center; 9:00 a.m., three boys and one girl in block center; 9:15 a.m., three boys in block center c. Jeremy bit his lip as he focused on placing the block on the top of his 2-foot-high tower. He paused, looked around, dragged a chair over, and climbed on top with a block in each hand. He then carefully balanced the first block on the top of the tower and grimaced as he slowly added the last block. d. Maria complained to teacher that Ally had taken her pencil, 8:28 a.m.; Maria complained to teacher that her chair was wobbly, 8:43 a.m.; Maria asked teacher to make Sam stop bothering her, 9:04 a.m.; Maria approached teacher and requested help opening her juice box, 9:20 a.m.; Maria cried and asked teacher to make Ally stop bothering her. e. Wet diaper—X X X X; dirty diaper—; milk bottle—X X; juice bottle—; solid food—X X; nap—X
Following have the value of 3.6 except for:
a. 36 × 0.1 b. 0.4 × 9 c. 120 × 0.03 d. 72 × 0.5
The Internet is
A) an electronic library of information.? B) ?a passing novelty. C) ?a limited collection of internal resources on a topic. D) ?estimated to replace libraries by 2020.
Which of the following components of a hearing aid doesn't belong?
a. Microphone b. Signal processor c. Battery d. Receiver e. Electrode array