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Testing for differences in student...

Testing for differences in student height

a. The average height of 6th grade girls is 61.8 inches and the avg height of boys is 59.4 inches. Are the heights of the boys and girls found on the excel sheet statistically different from the statewide averages?

b. Is there a statistically significant difference between male and female height among sixth graders at this school?

Here is the height information from the excel sheet - also there is a 95% confidence level and 5% significance level -all height numbers are presented in inches

62 Female

62 Female

59 Female

59 Female

61 Female

61 Male

61 Male

58 Femal e

61 Female

62 Female

57 Female

59 Male

66 Female

60 Male

63 Female

65 Female

61 Female

63 Female

63 Female

63 Male

59 Female

63 Male

59 Male

59 Male

65 Female

59 Female

61 Male

59 Female

60 Male

64 Female

63 Male

57 Female

56 Male

59 Male

64 Female

63 Female

60 Male

59 Male

63 Female

64 Female

62 Female

63 Male

59 Male

63 Female

60 Male

59 Female

65 Female

61 Female

63 Male

63 Female

61 Female

61 Male

64 Male

61 Female

62 Male

63 Male

59 Male

62 Male

62 Male

61 Female

61 Male

62 Female

61 Male

61 Female

57 Female

60 Male

64 Male

62 Female

60 Male

65 Male

59 Female

58 Male

61 Female

58 Male

61 Female

57 Male

59 Male

61 Female

57 Male

63 Female

61 Female

60 Female

62 Female

60 Male

65 Male

60 Female

58 Female

60 Male

61 Female

59 Male

62 Male

63 Female

58 Male

63 Female

61 Male

65 Female

58 Male

61 Female

61 Female

63 Male

a. The average height of 6th grade girls is 61.8 inches and the avg height of boys is 59.4 inches. Are the heights of the boys and girls found on the excel sheet statistically different from the statewide averages?

b. Is there a statistically significant difference between male and female height among sixth graders at this school?

Here is the height information from the excel sheet - also there is a 95% confidence level and 5% significance level -all height numbers are presented in inches

62 Female

62 Female

59 Female

59 Female

61 Female

61 Male

61 Male

58 Femal e

61 Female

62 Female

57 Female

59 Male

66 Female

60 Male

63 Female

65 Female

61 Female

63 Female

63 Female

63 Male

59 Female

63 Male

59 Male

59 Male

65 Female

59 Female

61 Male

59 Female

60 Male

64 Female

63 Male

57 Female

56 Male

59 Male

64 Female

63 Female

60 Male

59 Male

63 Female

64 Female

62 Female

63 Male

59 Male

63 Female

60 Male

59 Female

65 Female

61 Female

63 Male

63 Female

61 Female

61 Male

64 Male

61 Female

62 Male

63 Male

59 Male

62 Male

62 Male

61 Female

61 Male

62 Female

61 Male

61 Female

57 Female

60 Male

64 Male

62 Female

60 Male

65 Male

59 Female

58 Male

61 Female

58 Male

61 Female

57 Male

59 Male

61 Female

57 Male

63 Female

61 Female

60 Female

62 Female

60 Male

65 Male

60 Female

58 Female

60 Male

61 Female

59 Male

62 Male

63 Female

58 Male

63 Female

61 Male

65 Female

58 Male

61 Female

61 Female

63 Male

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