μ

N

Mean

Conf. (±)

Std. Error

Std. Dev.

33 to 34

4

0.012725

0.004668869

0.01467069

0.002934138

34 to 35

21

0.016414286

0.001003628

0.000481134

0.002204832

35 to 36

18

0.027077778

0.001658866

0.000786261

0.0003335823

36 to 37

15

0.41213333

0.003964023

0.001848213

0.007158099

37 to 38

10

0.0625

0.006904831

0.003052322

0.009652288

38 to 39

3

0.104666667

0.046628617

0.010837179

0.018770544

39 to 40

5

0.1612

0.027294023

0.009830565

0.021981811

40 to 41

6

0.330166667

0.077409426

0.030113581

0.073762908

41 to 42

16

0.42775

0.050113435

0.023511433

0.094045734

42 to 43

46

0.521336957

0.33007283

0.016388078

0.111149352

43 to 44

43

0.813906977

0.061365095

0.030407637

0.199396209

44 to 45

37

1.167456757

0.103807992

0.0511849998

0.311346189

45 to 46

15

1.823953333

0.321476572

0.149887432

0.580511527

46 to 47

19

2.640421053

0.355072924

0.169008137

0.73668939

47 to 48

14

2.799142857

0.529540171

0.245115646

0.917138766

48 to 49

4

2.99875

1.37869082

0.4332173

0.8664346

Entire sample

276

0.880278623

0.111380452

0.056577708

0.939939475