psychology 54port

Available Data

	TASK A							TASK B																														TASK A							TASK B
	Age	Gender	Completion Time	# incorrect				Age	Gender	Completion Time	# incorrect																											Age	Gender	Completion Time	# incorrect				Age	Gender	Completion Time	# incorrect
NA	50	F	79	2			NA	17	F	99	0
KA	34	F	102	0			KA	29	F	133	4
SB	21	F	237	10			SB	16	F	192	2
CM	19	F	52	3			CM	55	M	49	0
AC	23	M	240	4			AC	23	M	222	2
DC	20	M	140	0			DC	66	F	157	7
BD	22	F	91	3			BD	21	M	93	2
AD	20	F	58	3			AD	20	F	47	0
JG	25	F	660	0			JG	29	F	992	0
KG	22	F	84	0			KG	22	F	64	0
EH	45	F	171	0			EH	55	M	134	0
SJ	23	F	120	3			SJ	15	M	110	6
CM	20	F	134	1			CM	20	F	118	1
MN	21	F	140	3			MN	21	F	118	5
AO	22	F	102	1			AO	40	F	100	0
MV	21	F	421	0			MV	49	M	303	0
CV	56	F	123	12			CV	22	F	217	3
MW	56	F	69	0			MW	63	F	61	0
Correlation between completion time and age							Correlation between completion time and age
-0.1834333452							-0.0438659037

Scatter plot of Time & Age

50 34 21 19 23 20 22 20 25 22 45 23 20 21 22 21 56 56 79 102 237 52 240 140 91 58 660 84 171 120 134 140 102 421 123 69

Age in years

Completion times in seconds

Scatterplot of Time & Age

17 29 16 55 23 66 21 20 29 22 55 15 20 21 40 49 22 63 99 133 192 49 222 157 93 47 992 64 134 110 118 118 100 303 217 61

Age in years

Completion times in seconds

T-test Calculations

		TASK A					TASK B
		Completion Time					Completion Time
		X	X²				X	X²
		79	6241				99	9801
		102	10404				133	17689
		237	56169				192	36864
		52	2704				49	2401
		240	57600				222	49284
		140	19600				157	24649
		91	8281				93	8649
		58	3364				47	2209
		660	435600				992	984064
		84	7056				64	4096
		171	29241				134	17956
		120	14400				110	12100
		134	17956				118	13924
		140	19600				118	13924
		102	10404				100	10000
		421	177241				303	91809
		123	15129				217	47089
		69	4761				61	3721
		ΣX	ΣX²				ΣX	ΣX²
		3023	895751				3209	1350229
	Input this information into the T Test tutorial worksheet…

Correlation Analysis

		Variable A	Variable B
	1			1
	2			2
	3			3		Pearson Product Moment correlation					Standard Deviation Sample A
	4			4
	5			5
	6			6		Degrees of Freedom					Standard Deviation Sample B
	7			7		-2
	8			8
	9			9
	10			10
	11			11
	12			12
	13			13
	14			14
	15			15
	16			16
	17			17
	18			18
	19			19
	20			20
	21			21
	22			22
	23			23
	24			24
	25			25			INSTRUCTIONS
	26			26			Copy and paste the data that you intend to analyze in to the Variable A & B columns. You can see the patterns in the scatterplot above.
	27			27
	28			28
	29			29
	30			30
	31			31
	32			32
	33			33
	34			34					MMXIV©MRSIII
	35			35
	36			36
	37			37
	38			38
	39			39
	40			40
	41			41
	42			42
	43			43
	44			44
	45			45
	46			46
	47			47
	48			48
	49			49
	50			50
	51			51
	52			52
	53			53
	54			54
	55			55
	56			56
	57			57
	58			58
	59			59
	60			60
	61			61
	62			62
	63			63
	64			64
	65			65
	66			66
	67			67
	68			68
	69			69
	70			70
		Variable A	Variable B

Scatterplot of Correlation Data

Variable B

SAMPLE A (X-Axis)

SAMPLE B (Y-Axis)